context
stringlengths
21
33.9k
category
stringclasses
2 values
entity
stringlengths
1
12
entity_type
stringclasses
5 values
query
stringlengths
97
3.31k
answer
stringlengths
12
169
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
236
monetaryItemType
table: <entity> 236 </entity> <entity type> monetaryItemType </entity type> <context> Grain and feedstock commitments (b) | ​ ​ | 236 | ​ ​ | 4 | ​ ​ | 3 | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | 243 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
4
monetaryItemType
table: <entity> 4 </entity> <entity type> monetaryItemType </entity type> <context> Grain and feedstock commitments (b) | ​ ​ | 236 | ​ ​ | 4 | ​ ​ | 3 | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | 243 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
3
monetaryItemType
table: <entity> 3 </entity> <entity type> monetaryItemType </entity type> <context> Grain and feedstock commitments (b) | ​ ​ | 236 | ​ ​ | 4 | ​ ​ | 3 | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | 243 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
243
monetaryItemType
table: <entity> 243 </entity> <entity type> monetaryItemType </entity type> <context> Grain and feedstock commitments (b) | ​ ​ | 236 | ​ ​ | 4 | ​ ​ | 3 | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | 243 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
701
monetaryItemType
table: <entity> 701 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
702
monetaryItemType
table: <entity> 702 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
104
monetaryItemType
table: <entity> 104 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
68
monetaryItemType
table: <entity> 68 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
68
monetaryItemType
table: <entity> 68 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
68
monetaryItemType
table: <entity> 68 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
69
monetaryItemType
table: <entity> 69 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
235
monetaryItemType
table: <entity> 235 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
612
monetaryItemType
table: <entity> 612 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
261
monetaryItemType
table: <entity> 261 </entity> <entity type> monetaryItemType </entity type> <context> Capital expenditures (e) | ​ ​ | ​ ​ | 261 | ​ ​ | ​ ​ | 175 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 436 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
175
monetaryItemType
table: <entity> 175 </entity> <entity type> monetaryItemType </entity type> <context> Capital expenditures (e) | ​ ​ | ​ ​ | 261 | ​ ​ | ​ ​ | 175 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 436 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
436
monetaryItemType
table: <entity> 436 </entity> <entity type> monetaryItemType </entity type> <context> Capital expenditures (e) | ​ ​ | ​ ​ | 261 | ​ ​ | ​ ​ | 175 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 436 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
161
monetaryItemType
table: <entity> 161 </entity> <entity type> monetaryItemType </entity type> <context> Other commitments | ​ ​ | 161 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 8 | ​ ​ | 173 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Grain purchase contracts for resale (c) | ​ ​ | ​ ​ | 701 | ​ ​ | ​ ​ | 1 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | 702 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
8
monetaryItemType
table: <entity> 8 </entity> <entity type> monetaryItemType </entity type> <context> Other commitments | ​ ​ | 161 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 8 | ​ ​ | 173 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
173
monetaryItemType
table: <entity> 173 </entity> <entity type> monetaryItemType </entity type> <context> Other commitments | ​ ​ | 161 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | 8 | ​ ​ | 173 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
1530
monetaryItemType
table: <entity> 1530 </entity> <entity type> monetaryItemType </entity type> <context> Total unrecognized non-cancelable commitments | ​ ​ | $ | 1,530 | ​ ​ | $ | 305 | ​ ​ | $ | 127 | ​ ​ | $ | 69 | ​ ​ | $ | 70 | ​ ​ | $ | 243 | ​ ​ | $ | 2,344 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
305
monetaryItemType
table: <entity> 305 </entity> <entity type> monetaryItemType </entity type> <context> Total unrecognized non-cancelable commitments | ​ ​ | $ | 1,530 | ​ ​ | $ | 305 | ​ ​ | $ | 127 | ​ ​ | $ | 69 | ​ ​ | $ | 70 | ​ ​ | $ | 243 | ​ ​ | $ | 2,344 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
127
monetaryItemType
table: <entity> 127 </entity> <entity type> monetaryItemType </entity type> <context> Total unrecognized non-cancelable commitments | ​ ​ | $ | 1,530 | ​ ​ | $ | 305 | ​ ​ | $ | 127 | ​ ​ | $ | 69 | ​ ​ | $ | 70 | ​ ​ | $ | 243 | ​ ​ | $ | 2,344 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
69
monetaryItemType
table: <entity> 69 </entity> <entity type> monetaryItemType </entity type> <context> Fuel supply contracts (d) | ​ ​ | 104 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 68 | ​ ​ | 69 | ​ ​ | 235 | ​ ​ | 612 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
70
monetaryItemType
table: <entity> 70 </entity> <entity type> monetaryItemType </entity type> <context> Total unrecognized non-cancelable commitments | ​ ​ | $ | 1,530 | ​ ​ | $ | 305 | ​ ​ | $ | 127 | ​ ​ | $ | 69 | ​ ​ | $ | 70 | ​ ​ | $ | 243 | ​ ​ | $ | 2,344 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
243
monetaryItemType
table: <entity> 243 </entity> <entity type> monetaryItemType </entity type> <context> Grain and feedstock commitments (b) | ​ ​ | 236 | ​ ​ | 4 | ​ ​ | 3 | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | β€” | ​ ​ | 243 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>YearsΒ endedΒ DecemberΒ 31,</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td>2024</td><td></td><td>2025</td><td></td><td>2026</td><td></td><td>2027</td><td></td><td>2028</td><td>​ ​</td><td>Thereafter</td><td></td><td>Totals</td></tr><tr><td>Hog procurement contracts (a)</td><td>​ ​</td><td>$</td><td>67</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>55</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>178</td></tr><tr><td>Grain and feedstock commitments (b)</td><td>​ ​</td><td></td><td>236</td><td>​ ​</td><td></td><td>4</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>243</td></tr><tr><td>Grain purchase contracts for resale (c)</td><td>​ ​</td><td>​ ​</td><td>701</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>702</td></tr><tr><td>Fuel supply contracts (d)</td><td>​ ​</td><td></td><td>104</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>68</td><td>​ ​</td><td></td><td>69</td><td>​ ​</td><td></td><td>235</td><td>​ ​</td><td></td><td>612</td></tr><tr><td>Capital expenditures (e)</td><td>​ ​</td><td>​ ​</td><td>261</td><td>​ ​</td><td>​ ​</td><td>175</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>436</td></tr><tr><td>Other commitments</td><td>​ ​</td><td></td><td>161</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>8</td><td>​ ​</td><td></td><td>173</td></tr><tr><td>Total unrecognized non-cancelable commitments</td><td>​ ​</td><td>$</td><td>1,530</td><td>​ ​</td><td>$</td><td>305</td><td>​ ​</td><td>$</td><td>127</td><td>​ ​</td><td>$</td><td>69</td><td>​ ​</td><td>$</td><td>70</td><td>​ ​</td><td>$</td><td>243</td><td>​ ​</td><td>$</td><td>2,344</td></tr></table>
table
2344
monetaryItemType
table: <entity> 2344 </entity> <entity type> monetaryItemType </entity type> <context> Total unrecognized non-cancelable commitments | ​ ​ | $ | 1,530 | ​ ​ | $ | 305 | ​ ​ | $ | 127 | ​ ​ | $ | 69 | ​ ​ | $ | 70 | ​ ​ | $ | 243 | ​ ​ | $ | 2,344 </context>
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
81
monetaryItemType
table: <entity> 81 </entity> <entity type> monetaryItemType </entity type> <context> Domestic equity securities | ​ ​ | $ | 81 | ​ ​ | $ | 81 | ​ ​ | $ | β€” | ​ ​ | $ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
51
monetaryItemType
table: <entity> 51 </entity> <entity type> monetaryItemType </entity type> <context> Foreign equity securities | ​ ​ | 51 | ​ ​ | 51 | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
26
monetaryItemType
table: <entity> 26 </entity> <entity type> monetaryItemType </entity type> <context> Domestic fixed income mutual funds | ​ ​ | ​ ​ | 26 | ​ ​ | ​ ​ | 26 | ​ ​ | ​ ​ | β€” | ​ ​ | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
11
monetaryItemType
table: <entity> 11 </entity> <entity type> monetaryItemType </entity type> <context> Foreign fixed income mutual funds | ​ ​ | 11 | ​ ​ | ​ ​ | 11 | ​ ​ | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
2
monetaryItemType
table: <entity> 2 </entity> <entity type> monetaryItemType </entity type> <context> Money market funds | ​ ​ | 2 | ​ ​ | 2 | ​ ​ | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>81</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>51</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>26</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td>​ ​</td><td>11</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
171
monetaryItemType
table: <entity> 171 </entity> <entity type> monetaryItemType </entity type> <context> Total assets | ​ ​ | $ | 171 | ​ ​ | $ | 171 | ​ ​ | $ | β€” | ​ ​ | $ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
84
monetaryItemType
table: <entity> 84 </entity> <entity type> monetaryItemType </entity type> <context> Domestic equity securities | ​ ​ | $ | 84 | ​ ​ | $ | 84 | ​ ​ | $ | β€” | ​ ​ | $ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
60
monetaryItemType
table: <entity> 60 </entity> <entity type> monetaryItemType </entity type> <context> Foreign equity securities | ​ ​ | 60 | ​ ​ | 60 | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
26
monetaryItemType
table: <entity> 26 </entity> <entity type> monetaryItemType </entity type> <context> Domestic fixed income mutual funds | ​ ​ | 26 | ​ ​ | 26 | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
11
monetaryItemType
table: <entity> 11 </entity> <entity type> monetaryItemType </entity type> <context> Foreign fixed income mutual funds | ​ ​ | 11 | ​ ​ | 11 | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Money market funds | ​ ​ | 1 | ​ ​ | 1 | ​ ​ | β€” | ​ ​ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>2022</td><td>​ ​</td><td>LevelΒ 1</td><td>​ ​</td><td>LevelΒ 2</td><td>​ ​</td><td>LevelΒ 3</td></tr><tr><td>Assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Domestic equity securities</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>84</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr><tr><td>Foreign equity securities</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>60</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Domestic fixed income mutual funds</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>26</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Foreign fixed income mutual funds</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>11</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Money market funds</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Total assets</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>$</td><td>β€”</td><td>​ ​</td><td>$</td><td>β€”</td></tr></table>
table
182
monetaryItemType
table: <entity> 182 </entity> <entity type> monetaryItemType </entity type> <context> Total assets | ​ ​ | $ | 182 | ​ ​ | $ | 182 | ​ ​ | $ | β€” | ​ ​ | $ | β€” </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
5.26
percentItemType
table: <entity> 5.26 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine obligations | ​ ​ | 5.26 | % | 5.38 | % | 2.78 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
5.38
percentItemType
table: <entity> 5.38 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine obligations | ​ ​ | 5.26 | % | 5.38 | % | 2.78 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
2.78
percentItemType
table: <entity> 2.78 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine obligations | ​ ​ | 5.26 | % | 5.38 | % | 2.78 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
5.38
percentItemType
table: <entity> 5.38 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine obligations | ​ ​ | 5.26 | % | 5.38 | % | 2.78 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
2.78
percentItemType
table: <entity> 2.78 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine obligations | ​ ​ | 5.26 | % | 5.38 | % | 2.78 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
2.39
percentItemType
table: <entity> 2.39 </entity> <entity type> percentItemType </entity type> <context> Discount rate used to determine net periodic benefit cost | ​ ​ | 5.38 | % | 2.78 | % | 2.39 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
6.50
percentItemType
table: <entity> 6.50 </entity> <entity type> percentItemType </entity type> <context> Expected return on plan assets | ​ ​ | 6.50 | % | 6.25 | % | 6.25 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
6.25
percentItemType
table: <entity> 6.25 </entity> <entity type> percentItemType </entity type> <context> Expected return on plan assets | ​ ​ | 6.50 | % | 6.25 | % | 6.25 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
3.80
percentItemType
table: <entity> 3.80 </entity> <entity type> percentItemType </entity type> <context> Long-term rate of increase in compensation levels | ​ ​ | 3.80 | % | 4.00 | % | 4.00 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years ended DecemberΒ 31,</td><td></td></tr><tr><td>​ ​</td><td></td><td>2023</td><td>​ ​</td><td>2022</td><td></td><td>2021</td><td></td></tr><tr><td>Weighted-average assumptions:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Discount rate used to determine obligations</td><td>​ ​</td><td>5.26</td><td>% </td><td>5.38</td><td>%</td><td>2.78</td><td>%</td></tr><tr><td>Discount rate used to determine net periodic benefit cost</td><td>​ ​</td><td>5.38</td><td>%</td><td>2.78</td><td>%</td><td>2.39</td><td>%</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>6.50</td><td>%</td><td>6.25</td><td>%</td><td>6.25</td><td>%</td></tr><tr><td>Long-term rate of increase in compensation levels</td><td>​ ​</td><td>3.80</td><td>%</td><td>4.00</td><td>%</td><td>4.00</td><td>%</td></tr></table>
table
4.00
percentItemType
table: <entity> 4.00 </entity> <entity type> percentItemType </entity type> <context> Long-term rate of increase in compensation levels | ​ ​ | 3.80 | % | 4.00 | % | 4.00 | % </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
129
monetaryItemType
table: <entity> 129 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at beginning of year | ​ ​ | $ | 129 | ​ ​ | $ | 147 | ​ ​ | $ | 276 | ​ ​ | ​ ​ | $ | 362 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
147
monetaryItemType
table: <entity> 147 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at beginning of year | ​ ​ | $ | 129 | ​ ​ | $ | 147 | ​ ​ | $ | 276 | ​ ​ | ​ ​ | $ | 362 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
276
monetaryItemType
table: <entity> 276 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at beginning of year | ​ ​ | $ | 129 | ​ ​ | $ | 147 | ​ ​ | $ | 276 | ​ ​ | ​ ​ | $ | 362 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
362
monetaryItemType
table: <entity> 362 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at beginning of year | ​ ​ | $ | 129 | ​ ​ | $ | 147 | ​ ​ | $ | 276 | ​ ​ | ​ ​ | $ | 362 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
3
monetaryItemType
table: <entity> 3 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
6
monetaryItemType
table: <entity> 6 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
9
monetaryItemType
table: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
7
monetaryItemType
table: <entity> 7 </entity> <entity type> monetaryItemType </entity type> <context> Interest cost | ​ ​ | 7 | ​ ​ | 6 | ​ ​ | 13 | ​ ​ | ​ ​ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
6
monetaryItemType
table: <entity> 6 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
13
monetaryItemType
table: <entity> 13 </entity> <entity type> monetaryItemType </entity type> <context> Interest cost | ​ ​ | 7 | ​ ​ | 6 | ​ ​ | 13 | ​ ​ | ​ ​ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
10
monetaryItemType
table: <entity> 10 </entity> <entity type> monetaryItemType </entity type> <context> Interest cost | ​ ​ | 7 | ​ ​ | 6 | ​ ​ | 13 | ​ ​ | ​ ​ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Actuarial losses (gains) | ​ ​ | ( 1 ) | ​ ​ | 2 | ​ ​ | 1 | ​ ​ | ​ ​ | ( 97 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanActuarialGainLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
2
monetaryItemType
table: <entity> 2 </entity> <entity type> monetaryItemType </entity type> <context> Actuarial losses (gains) | ​ ​ | ( 1 ) | ​ ​ | 2 | ​ ​ | 1 | ​ ​ | ​ ​ | ( 97 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanActuarialGainLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
97
monetaryItemType
table: <entity> 97 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanActuarialGainLoss
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
21
monetaryItemType
table: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> Actual return on plan assets | ​ ​ | 21 | ​ ​ | 9 | ​ ​ | 30 | ​ ​ | ​ ​ | ( 38 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanSettlementsBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
25
monetaryItemType
table: <entity> 25 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanSettlementsBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
46
monetaryItemType
table: <entity> 46 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanSettlementsBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
4
monetaryItemType
table: <entity> 4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
8
monetaryItemType
table: <entity> 8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
113
monetaryItemType
table: <entity> 113 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at end of year | ​ ​ | $ | 113 | ​ ​ | $ | 129 | ​ ​ | $ | 242 | ​ ​ | ​ ​ | $ | 276 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
242
monetaryItemType
table: <entity> 242 </entity> <entity type> monetaryItemType </entity type> <context> Benefit obligation at end of year | ​ ​ | $ | 113 | ​ ​ | $ | 129 | ​ ​ | $ | 242 | ​ ​ | ​ ​ | $ | 276 | ​ ​ </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
126
monetaryItemType
table: <entity> 126 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at beginning of year | ​ ​ | $ | 126 | ​ ​ | $ | 56 | ​ ​ | $ | 182 | ​ ​ | ​ ​ | $ | 227 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
56
monetaryItemType
table: <entity> 56 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at beginning of year | ​ ​ | $ | 126 | ​ ​ | $ | 56 | ​ ​ | $ | 182 | ​ ​ | ​ ​ | $ | 227 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
182
monetaryItemType
table: <entity> 182 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at beginning of year | ​ ​ | $ | 126 | ​ ​ | $ | 56 | ​ ​ | $ | 182 | ​ ​ | ​ ​ | $ | 227 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
227
monetaryItemType
table: <entity> 227 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at beginning of year | ​ ​ | $ | 126 | ​ ​ | $ | 56 | ​ ​ | $ | 182 | ​ ​ | ​ ​ | $ | 227 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
21
monetaryItemType
table: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> Actual return on plan assets | ​ ​ | 21 | ​ ​ | 9 | ​ ​ | 30 | ​ ​ | ​ ​ | ( 38 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
9
monetaryItemType
table: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
30
monetaryItemType
table: <entity> 30 </entity> <entity type> monetaryItemType </entity type> <context> Actual return on plan assets | ​ ​ | 21 | ​ ​ | 9 | ​ ​ | 30 | ​ ​ | ​ ​ | ( 38 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
38
monetaryItemType
table: <entity> 38 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
13
monetaryItemType
table: <entity> 13 </entity> <entity type> monetaryItemType </entity type> <context> Interest cost | ​ ​ | 7 | ​ ​ | 6 | ​ ​ | 13 | ​ ​ | ​ ​ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanContributionsByEmployer
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
1
monetaryItemType
table: <entity> 1 </entity> <entity type> monetaryItemType </entity type> <context> Actuarial losses (gains) | ​ ​ | ( 1 ) | ​ ​ | 2 | ​ ​ | 1 | ​ ​ | ​ ​ | ( 97 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanContributionsByEmployer
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
21
monetaryItemType
table: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> Actual return on plan assets | ​ ​ | 21 | ​ ​ | 9 | ​ ​ | 30 | ​ ​ | ​ ​ | ( 38 ) | ​ ​ </context>
us-gaap:DefinedBenefitPlanSettlementsPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
25
monetaryItemType
table: <entity> 25 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanSettlementsPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
46
monetaryItemType
table: <entity> 46 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanSettlementsPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
4
monetaryItemType
table: <entity> 4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
8
monetaryItemType
table: <entity> 8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
122
monetaryItemType
table: <entity> 122 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at end of year | ​ ​ | $ | 122 | ​ ​ | $ | 49 | ​ ​ | $ | 171 | ​ ​ | ​ ​ | $ | 182 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
49
monetaryItemType
table: <entity> 49 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at end of year | ​ ​ | $ | 122 | ​ ​ | $ | 49 | ​ ​ | $ | 171 | ​ ​ | ​ ​ | $ | 182 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
171
monetaryItemType
table: <entity> 171 </entity> <entity type> monetaryItemType </entity type> <context> Fair value of plan assets at end of year | ​ ​ | $ | 122 | ​ ​ | $ | 49 | ​ ​ | $ | 171 | ​ ​ | ​ ​ | $ | 182 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
9
monetaryItemType
table: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | 3 | ​ ​ | 3 | ​ ​ | 6 | ​ ​ | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
80
monetaryItemType
table: <entity> 80 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
71
monetaryItemType
table: <entity> 71 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2023</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>2022</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td>​ ​</td><td>​ ​</td><td>Assets exceed accumulated benefits</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td><td>​ ​</td><td>Total</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>Accumulated benefits exceed assets</td><td>​ ​</td></tr><tr><td>Reconciliation of benefit obligation:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Benefit obligation at beginning of year</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>147</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td><td>​ ​</td><td>$</td><td>362</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>3</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td></td><td>7</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td></tr><tr><td>Actuarial losses (gains)</td><td>​ ​</td><td></td><td>( 1 )</td><td>​ ​</td><td></td><td>2</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td><td>​ ​</td><td></td><td>( 97 )</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Benefit obligation at end of year</td><td>​ ​</td><td>$</td><td>113</td><td>​ ​</td><td>$</td><td>129</td><td>​ ​</td><td>$</td><td>242</td><td>​ ​</td><td>​ ​</td><td>$</td><td>276</td><td>​ ​</td></tr><tr><td>Reconciliation of fair value of plan assets:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at beginning of year</td><td>​ ​</td><td>$</td><td>126</td><td>​ ​</td><td>$</td><td>56</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td><td>​ ​</td><td>$</td><td>227</td><td>​ ​</td></tr><tr><td>Actual return on plan assets</td><td>​ ​</td><td></td><td>21</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td><td></td><td>30</td><td>​ ​</td><td>​ ​</td><td></td><td>( 38 )</td><td>​ ​</td></tr><tr><td>Employer contributions</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td>​ ​</td><td></td><td>1</td><td>​ ​</td></tr><tr><td>Plan settlements</td><td>​ ​</td><td>​ ​</td><td>( 21 )</td><td>​ ​</td><td>​ ​</td><td>( 25 )</td><td>​ ​</td><td>​ ​</td><td>( 46 )</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td></tr><tr><td>Benefits paid</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 4 )</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td><td>​ ​</td><td></td><td>( 8 )</td><td>​ ​</td></tr><tr><td>Fair value of plan assets at end of year</td><td>​ ​</td><td>$</td><td>122</td><td>​ ​</td><td>$</td><td>49</td><td>​ ​</td><td>$</td><td>171</td><td>​ ​</td><td>​ ​</td><td>$</td><td>182</td><td>​ ​</td></tr><tr><td>Funded status</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>( 80 )</td><td>​ ​</td><td>$</td><td>( 71 )</td><td>​ ​</td><td>​ ​</td><td>$</td><td>( 94 )</td><td>​ ​</td></tr></table>
table
94
monetaryItemType
table: <entity> 94 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td></td><td>Years ended DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td></td><td>2023</td><td></td><td>2022</td><td></td><td>2021</td><td>​ ​</td></tr><tr><td>Components of net periodic benefit cost:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>6</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>10</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>​ ​</td><td></td><td>( 11 )</td><td>​ ​</td><td></td><td>( 14 )</td><td>​ ​</td><td></td><td>( 12 )</td><td>​ ​</td></tr><tr><td>Amortization</td><td>​ ​</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Settlement loss recognized</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>6</td><td>​ ​</td></tr><tr><td>Net periodic benefit cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>11</td><td>​ ​</td><td>$</td><td>22</td><td>​ ​</td></tr></table>
table
6
monetaryItemType
table: <entity> 6 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | ​ ​ | $ | 6 | ​ ​ | $ | 9 | ​ ​ | $ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td></td><td>Years ended DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td></td><td>2023</td><td></td><td>2022</td><td></td><td>2021</td><td>​ ​</td></tr><tr><td>Components of net periodic benefit cost:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>6</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>10</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>​ ​</td><td></td><td>( 11 )</td><td>​ ​</td><td></td><td>( 14 )</td><td>​ ​</td><td></td><td>( 12 )</td><td>​ ​</td></tr><tr><td>Amortization</td><td>​ ​</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Settlement loss recognized</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>6</td><td>​ ​</td></tr><tr><td>Net periodic benefit cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>11</td><td>​ ​</td><td>$</td><td>22</td><td>​ ​</td></tr></table>
table
9
monetaryItemType
table: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | ​ ​ | $ | 6 | ​ ​ | $ | 9 | ​ ​ | $ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td></td><td>Years ended DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td></td><td>2023</td><td></td><td>2022</td><td></td><td>2021</td><td>​ ​</td></tr><tr><td>Components of net periodic benefit cost:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>6</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>10</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>​ ​</td><td></td><td>( 11 )</td><td>​ ​</td><td></td><td>( 14 )</td><td>​ ​</td><td></td><td>( 12 )</td><td>​ ​</td></tr><tr><td>Amortization</td><td>​ ​</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Settlement loss recognized</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>6</td><td>​ ​</td></tr><tr><td>Net periodic benefit cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>11</td><td>​ ​</td><td>$</td><td>22</td><td>​ ​</td></tr></table>
table
10
monetaryItemType
table: <entity> 10 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | ​ ​ | $ | 6 | ​ ​ | $ | 9 | ​ ​ | $ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanServiceCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td></td><td>Years ended DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td></td><td>2023</td><td></td><td>2022</td><td></td><td>2021</td><td>​ ​</td></tr><tr><td>Components of net periodic benefit cost:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>6</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>10</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>​ ​</td><td></td><td>( 11 )</td><td>​ ​</td><td></td><td>( 14 )</td><td>​ ​</td><td></td><td>( 12 )</td><td>​ ​</td></tr><tr><td>Amortization</td><td>​ ​</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Settlement loss recognized</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>6</td><td>​ ​</td></tr><tr><td>Net periodic benefit cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>11</td><td>​ ​</td><td>$</td><td>22</td><td>​ ​</td></tr></table>
table
13
monetaryItemType
table: <entity> 13 </entity> <entity type> monetaryItemType </entity type> <context> Interest cost | ​ ​ | ​ ​ | 13 | ​ ​ | 10 | ​ ​ | 9 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td></td><td>Years ended DecemberΒ 31,</td><td>​ ​</td></tr><tr><td>(Millions of dollars)</td><td></td><td></td><td>2023</td><td></td><td>2022</td><td></td><td>2021</td><td>​ ​</td></tr><tr><td>Components of net periodic benefit cost:</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Service cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>6</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>10</td><td>​ ​</td></tr><tr><td>Interest cost</td><td>​ ​</td><td>​ ​</td><td></td><td>13</td><td>​ ​</td><td></td><td>10</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Expected return on plan assets</td><td>​ ​</td><td>​ ​</td><td></td><td>( 11 )</td><td>​ ​</td><td></td><td>( 14 )</td><td>​ ​</td><td></td><td>( 12 )</td><td>​ ​</td></tr><tr><td>Amortization</td><td>​ ​</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>6</td><td>​ ​</td><td></td><td>9</td><td>​ ​</td></tr><tr><td>Settlement loss recognized</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>1</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>6</td><td>​ ​</td></tr><tr><td>Net periodic benefit cost</td><td>​ ​</td><td>​ ​</td><td>$</td><td>9</td><td>​ ​</td><td>$</td><td>11</td><td>​ ​</td><td>$</td><td>22</td><td>​ ​</td></tr></table>
table
10
monetaryItemType
table: <entity> 10 </entity> <entity type> monetaryItemType </entity type> <context> Service cost | ​ ​ | ​ ​ | $ | 6 | ​ ​ | $ | 9 | ​ ​ | $ | 10 | ​ ​ </context>
us-gaap:DefinedBenefitPlanInterestCost