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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
29.1
monetaryItemType
table: <entity> 29.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanPlanAmendments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
72.4
monetaryItemType
table: <entity> 72.4 </entity> <entity type> monetaryItemType </entity type> <context> Obligation, End of Year | $ 72.4 | $ 73.9 </context>
us-gaap:DefinedBenefitPlanBenefitObligation
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
173.8
monetaryItemType
table: <entity> 173.8 </entity> <entity type> monetaryItemType </entity type> <context> Fair Value, Beginning of Year | $ 173.8 | $ 162.6 </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
162.6
monetaryItemType
table: <entity> 162.6 </entity> <entity type> monetaryItemType </entity type> <context> Fair Value, Beginning of Year | $ 173.8 | $ 162.6 </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
14.8
monetaryItemType
table: <entity> 14.8 </entity> <entity type> monetaryItemType </entity type> <context> Actual Return on Plan Assets | 14.8 | 20.3 </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
20.3
monetaryItemType
table: <entity> 20.3 </entity> <entity type> monetaryItemType </entity type> <context> Actual Return on Plan Assets | 14.8 | 20.3 </context>
us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
6.4
monetaryItemType
table: <entity> 6.4 </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></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
8.1
monetaryItemType
table: <entity> 8.1 </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></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
174.2
monetaryItemType
table: <entity> 174.2 </entity> <entity type> monetaryItemType </entity type> <context> Fair Value, End of Year | $ 174.2 | $ 173.8 </context>
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
101.8
monetaryItemType
table: <entity> 101.8 </entity> <entity type> monetaryItemType </entity type> <context> Funded Status, End of Year | $ 101.8 | $ 99.9 </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
99.9
monetaryItemType
table: <entity> 99.9 </entity> <entity type> monetaryItemType </entity type> <context> Funded Status, End of Year | $ 101.8 | $ 99.9 </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
107.6
monetaryItemType
table: <entity> 107.6 </entity> <entity type> monetaryItemType </entity type> <context> Non-Current Assets | $ 107.6 | $ 106.3 </context>
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
106.3
monetaryItemType
table: <entity> 106.3 </entity> <entity type> monetaryItemType </entity type> <context> Non-Current Assets | $ 107.6 | $ 106.3 </context>
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
0.2
monetaryItemType
table: <entity> 0.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
5.6
monetaryItemType
table: <entity> 5.6 </entity> <entity type> monetaryItemType </entity type> <context> Interest Cost | 3.9 | 5.6 </context>
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Postretirement Health and Life Obligation and Funded Status</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Change in Benefit Obligation</td><td></td><td></td></tr><tr><td>Obligation, Beginning of Year</td><td>$ 73.9</td><td></td><td>$ 110.4</td><td></td></tr><tr><td>Service Cost</td><td>1.5</td><td></td><td>2.0</td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td></tr><tr><td>Actuarial Gain (a) Actuarial Gain (a)</td><td>( 1.9 )</td><td></td><td>( 9.3 )</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Plan Amendments (b) Plan Amendments (b)</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Obligation, End of Year</td><td>$ 72.4</td><td></td><td>$ 73.9</td><td></td></tr><tr><td>Change in Plan Assets</td><td></td><td></td></tr><tr><td>Fair Value, Beginning of Year</td><td>$ 173.8</td><td></td><td>$ 162.6</td><td></td></tr><tr><td>Actual Return on Plan Assets</td><td>14.8</td><td></td><td>20.3</td><td></td></tr><tr><td>Employer Contribution (Withdrawal)</td><td>( 9.4 )</td><td></td><td>( 3.4 )</td><td></td></tr><tr><td>Participant Contributions</td><td>1.4</td><td></td><td>2.4</td><td></td></tr><tr><td>Benefits Paid</td><td>( 6.4 )</td><td></td><td>( 8.1 )</td><td></td></tr><tr><td>Fair Value, End of Year</td><td>$ 174.2</td><td></td><td>$ 173.8</td><td></td></tr><tr><td>Funded Status, End of Year</td><td>$ 101.8</td><td></td><td>$ 99.9</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet Consist of:</td><td></td><td></td></tr><tr><td>Non-Current Assets</td><td>$ 107.6</td><td>$ 106.3</td></tr><tr><td>Current Liabilities</td><td>$( 0.2 )</td><td>$( 0.2 )</td></tr><tr><td>Non-Current Liabilities</td><td>$( 5.6 )</td><td>$( 6.2 )</td></tr></table>
table
6.2
monetaryItemType
table: <entity> 6.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
27.1
monetaryItemType
table: <entity> 27.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
24.8
monetaryItemType
table: <entity> 24.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
22.1
monetaryItemType
table: <entity> 22.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
33.8
monetaryItemType
table: <entity> 33.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
49.2
monetaryItemType
table: <entity> 49.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Unrecognized Postretirement Health and Life Costs</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 27.1 )</td><td>$( 24.8 )</td></tr><tr><td>Prior Service Credit</td><td>( 22.1 )</td><td>( 33.8 )</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Unrecognized Postretirement Health and Life Credit</td><td>$( 49.2 )</td><td>$( 58.6 )</td></tr></table>
table
58.6
monetaryItemType
table: <entity> 58.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
27.1
monetaryItemType
table: <entity> 27.1 </entity> <entity type> monetaryItemType </entity type> <context> Net Gain (a) Net Gain (a) | $ 27.1 | $ 24.8 </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
24.8
monetaryItemType
table: <entity> 24.8 </entity> <entity type> monetaryItemType </entity type> <context> Net Gain (a) Net Gain (a) | $ 27.1 | $ 24.8 </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
22.1
monetaryItemType
table: <entity> 22.1 </entity> <entity type> monetaryItemType </entity type> <context> Prior Service Credit | 22.1 | 33.8 </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
33.8
monetaryItemType
table: <entity> 33.8 </entity> <entity type> monetaryItemType </entity type> <context> Prior Service Credit | 22.1 | 33.8 </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
101.8
monetaryItemType
table: <entity> 101.8 </entity> <entity type> monetaryItemType </entity type> <context> Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet | $ 101.8 | $ 99.9 </context>
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Reconciliation of Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain (a) Net Gain (a)</td><td>$ 27.1</td><td>$ 24.8</td></tr><tr><td>Prior Service Credit</td><td>22.1</td><td>33.8</td></tr><tr><td>Accumulated Net Periodic Benefit Cost in Excess of Contributions (a) Accumulated Net Periodic Benefit Cost in Excess of Contributions (a)</td><td>52.6</td><td>41.3</td></tr><tr><td>Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet</td><td>$ 101.8</td><td>$ 99.9</td></tr></table>
table
99.9
monetaryItemType
table: <entity> 99.9 </entity> <entity type> monetaryItemType </entity type> <context> Total Net Postretirement Health and Life Amounts Recognized in Consolidated Balance Sheet | $ 101.8 | $ 99.9 </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></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
1.5
monetaryItemType
table: <entity> 1.5 </entity> <entity type> monetaryItemType </entity type> <context> Service Cost | $ 1.5 | $ 2.0 | $ 3.0 </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>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
2.0
monetaryItemType
table: <entity> 2.0 </entity> <entity type> monetaryItemType </entity type> <context> Service Cost | $ 1.5 | $ 2.0 | $ 3.0 </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>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
3.0
monetaryItemType
table: <entity> 3.0 </entity> <entity type> monetaryItemType </entity type> <context> Service Cost | $ 1.5 | $ 2.0 | $ 3.0 </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>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
3.9
monetaryItemType
table: <entity> 3.9 </entity> <entity type> monetaryItemType </entity type> <context> Interest Cost | 3.9 | 5.6 | 4.4 </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
5.6
monetaryItemType
table: <entity> 5.6 </entity> <entity type> monetaryItemType </entity type> <context> Interest Cost | 3.9 | 5.6 | 4.4 </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
4.4
monetaryItemType
table: <entity> 4.4 </entity> <entity type> monetaryItemType </entity type> <context> Interest Cost | 3.9 | 5.6 | 4.4 </context>
us-gaap:DefinedBenefitPlanInterestCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
11.1
monetaryItemType
table: <entity> 11.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
11.4
monetaryItemType
table: <entity> 11.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
9.6
monetaryItemType
table: <entity> 9.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
3.2
monetaryItemType
table: <entity> 3.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
2.7
monetaryItemType
table: <entity> 2.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
0.4
monetaryItemType
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of (Gain) Loss | ( 3.2 ) | ( 2.7 ) | 0.4 </context>
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
11.7
monetaryItemType
table: <entity> 11.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
8.5
monetaryItemType
table: <entity> 8.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
7.5
monetaryItemType
table: <entity> 7.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
20.6
monetaryItemType
table: <entity> 20.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
15.0
monetaryItemType
table: <entity> 15.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Components of Net Periodic Postretirement Health and Life Cost</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Millions</td><td></td><td></td><td></td></tr><tr><td>Service Cost</td><td>$ 1.5</td><td></td><td>$ 2.0</td><td></td><td>$ 3.0</td><td></td></tr><tr><td>Non-Service Cost Components (a) Non-Service Cost Components (a)</td><td></td><td></td><td></td></tr><tr><td>Interest Cost</td><td>3.9</td><td></td><td>5.6</td><td></td><td>4.4</td><td></td></tr><tr><td>Expected Return on Plan Assets</td><td>( 11.1 )</td><td></td><td>( 11.4 )</td><td></td><td>( 9.6 )</td><td></td></tr><tr><td>Amortization of (Gain) Loss</td><td>( 3.2 )</td><td></td><td>( 2.7 )</td><td></td><td>0.4</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>( 11.7 )</td><td></td><td>( 8.5 )</td><td></td><td>( 7.5 )</td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td>Net Postretirement Health and Life Credit</td><td>$( 20.6 )</td><td>$( 15.0 )</td><td>$( 9.3 )</td></tr></table>
table
9.3
monetaryItemType
table: <entity> 9.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
5.6
monetaryItemType
table: <entity> 5.6 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
18.3
monetaryItemType
table: <entity> 18.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
—
monetaryItemType
table: <entity> — </entity> <entity type> monetaryItemType </entity type> <context> Prior Service Credit Arising During the Period | — | ( 29.1 ) </context>
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
29.1
monetaryItemType
table: <entity> 29.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
11.7
monetaryItemType
table: <entity> 11.7 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Prior Service Credit | 11.7 | 8.4 </context>
us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
8.4
monetaryItemType
table: <entity> 8.4 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Prior Service Credit | 11.7 | 8.4 </context>
us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
3.2
monetaryItemType
table: <entity> 3.2 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Gain | 3.2 | 2.7 </context>
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
2.7
monetaryItemType
table: <entity> 2.7 </entity> <entity type> monetaryItemType </entity type> <context> Amortization of Gain | 3.2 | 2.7 </context>
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
9.3
monetaryItemType
table: <entity> 9.3 </entity> <entity type> monetaryItemType </entity type> <context> Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities | $ 9.3 | $( 36.3 ) </context>
us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Other Changes in Postretirement Benefit Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>Net Gain</td><td>$( 5.6 )</td><td>$( 18.3 )</td></tr><tr><td>Prior Service Credit Arising During the Period</td><td>—</td><td></td><td>( 29.1 )</td><td></td></tr><tr><td>Amortization of Prior Service Credit</td><td>11.7</td><td></td><td>8.4</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Amortization of Gain</td><td>3.2</td><td></td><td>2.7</td><td></td></tr><tr><td></td><td></td><td></td></tr><tr><td>Total Recognized in Other Comprehensive Income and Regulatory Assets or Liabilities</td><td>$ 9.3</td><td>$( 36.3 )</td></tr></table>
table
36.3
monetaryItemType
table: <entity> 36.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
59.3
monetaryItemType
table: <entity> 59.3 </entity> <entity type> monetaryItemType </entity type> <context> 2025 | $ 59.3 | $ 6.0 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
6.0
monetaryItemType
table: <entity> 6.0 </entity> <entity type> monetaryItemType </entity type> <context> 2025 | $ 59.3 | $ 6.0 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
58.6
monetaryItemType
table: <entity> 58.6 </entity> <entity type> monetaryItemType </entity type> <context> 2026 | $ 58.6 | $ 6.0 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
6.0
monetaryItemType
table: <entity> 6.0 </entity> <entity type> monetaryItemType </entity type> <context> 2025 | $ 59.3 | $ 6.0 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
58.2
monetaryItemType
table: <entity> 58.2 </entity> <entity type> monetaryItemType </entity type> <context> 2027 | $ 58.2 | $ 6.1 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
6.1
monetaryItemType
table: <entity> 6.1 </entity> <entity type> monetaryItemType </entity type> <context> 2027 | $ 58.2 | $ 6.1 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
57.9
monetaryItemType
table: <entity> 57.9 </entity> <entity type> monetaryItemType </entity type> <context> 2028 | $ 57.9 | $ 6.1 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
6.1
monetaryItemType
table: <entity> 6.1 </entity> <entity type> monetaryItemType </entity type> <context> 2027 | $ 58.2 | $ 6.1 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
57.5
monetaryItemType
table: <entity> 57.5 </entity> <entity type> monetaryItemType </entity type> <context> 2029 | $ 57.5 | $ 6.2 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
6.2
monetaryItemType
table: <entity> 6.2 </entity> <entity type> monetaryItemType </entity type> <context> 2029 | $ 57.5 | $ 6.2 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
272.7
monetaryItemType
table: <entity> 272.7 </entity> <entity type> monetaryItemType </entity type> <context> Years 2030 – 2034 | $ 272.7 | $ 31.2 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Estimated Future Benefit Payments</td><td>Pension</td><td>Postretirement Health and Life</td></tr><tr><td>Millions</td><td></td><td></td></tr><tr><td>2025</td><td>$ 59.3</td><td>$ 6.0</td><td></td></tr><tr><td>2026</td><td>$ 58.6</td><td>$ 6.0</td><td></td></tr><tr><td>2027</td><td>$ 58.2</td><td>$ 6.1</td><td></td></tr><tr><td>2028</td><td>$ 57.9</td><td>$ 6.1</td><td></td></tr><tr><td>2029</td><td>$ 57.5</td><td>$ 6.2</td><td></td></tr><tr><td>Years 2030 – 2034</td><td>$ 272.7</td><td>$ 31.2</td><td></td></tr></table>
table
31.2
monetaryItemType
table: <entity> 31.2 </entity> <entity type> monetaryItemType </entity type> <context> Years 2030 – 2034 | $ 272.7 | $ 31.2 </context>
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
5.78
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table: <entity> 5.78 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
5.39
percentItemType
table: <entity> 5.39 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
5.79
percentItemType
table: <entity> 5.79 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
5.42
percentItemType
table: <entity> 5.42 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
3.49
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table: <entity> 3.49 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
3.52
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table: <entity> 3.52 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
7.00
percentItemType
table: <entity> 7.00 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Weighted Average Assumptions Used to Determine Benefit Obligation</td></tr><tr><td>As of December 31</td><td>2024</td><td>2023</td></tr><tr><td>Discount Rate</td><td></td><td></td></tr><tr><td>Pension</td><td>5.78 %</td><td>5.39 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.79 %</td><td>5.42 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.49 %</td><td>3.52 %</td></tr><tr><td>Health Care Trend Rates</td><td></td><td></td></tr><tr><td>Trend Rate</td><td>7.00 %</td><td>7.00 %</td></tr><tr><td>Ultimate Trend Rate</td><td>5.00 %</td><td>5.00 %</td></tr><tr><td>Year Ultimate Trend Rate Effective</td><td>2038</td><td>2038</td></tr></table>
table
5.00
percentItemType
table: <entity> 5.00 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
5.38
percentItemType
table: <entity> 5.38 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
5.70
percentItemType
table: <entity> 5.70 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
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percentItemType
table: <entity> 3.28 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
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percentItemType
table: <entity> 5.42 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
5.89
percentItemType
table: <entity> 5.89 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
3.09
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table: <entity> 3.09 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
6.84
percentItemType
table: <entity> 6.84 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
6.83
percentItemType
table: <entity> 6.83 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
6.00
percentItemType
table: <entity> 6.00 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
6.28
percentItemType
table: <entity> 6.28 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
6.33
percentItemType
table: <entity> 6.33 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
5.41
percentItemType
table: <entity> 5.41 </entity> <entity type> percentItemType </entity type> <context> None </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
<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>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
3.52
percentItemType
table: <entity> 3.52 </entity> <entity type> percentItemType </entity type> <context> None </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></tr><tr><td>Weighted Average Assumptions Used to Determine Net Periodic Benefit Costs</td></tr><tr><td>Year Ended December 31</td><td>2024</td><td>2023</td><td>2022</td></tr><tr><td>Discount Rate</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>5.38 %</td><td>5.70 %</td><td>3.28 %</td></tr><tr><td>Postretirement Health and Life</td><td>5.42 %</td><td>5.89 %</td><td>3.09 %</td></tr><tr><td>Expected Long-Term Return on Plan Assets</td><td></td><td></td><td></td></tr><tr><td>Pension</td><td>6.84 %</td><td>6.83 %</td><td>6.00 %</td></tr><tr><td>Postretirement Health and Life</td><td>6.28 %</td><td>6.33 %</td><td>5.41 %</td></tr><tr><td>Rate of Compensation Increase</td><td>3.52 %</td><td>3.58 %</td><td>3.58 %</td></tr></table>
table
3.58
percentItemType
table: <entity> 3.58 </entity> <entity type> percentItemType </entity type> <context> None </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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
57
percentItemType
table: <entity> 57 </entity> <entity type> percentItemType </entity type> <context> Equity Securities | 57 | % | 57 | % | 67 | % | 67 | % </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
67
percentItemType
table: <entity> 67 </entity> <entity type> percentItemType </entity type> <context> Equity Securities | 57 | % | 57 | % | 67 | % | 67 | % </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
40
percentItemType
table: <entity> 40 </entity> <entity type> percentItemType </entity type> <context> Fixed Income Securities | 40 | % | 40 | % | 33 | % | 33 | % </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
33
percentItemType
table: <entity> 33 </entity> <entity type> percentItemType </entity type> <context> Fixed Income Securities | 40 | % | 40 | % | 33 | % | 33 | % </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
3
percentItemType
table: <entity> 3 </entity> <entity type> percentItemType </entity type> <context> Real Estate | 3 | % | 3 | % | — | — </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
—
percentItemType
table: <entity> — </entity> <entity type> percentItemType </entity type> <context> Real Estate | 3 | % | 3 | % | — | — </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<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>Actual Plan Asset Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td></td><td>2024</td><td>2023</td><td>2024</td><td>2023</td></tr><tr><td>Equity Securities</td><td>57</td><td>%</td><td>57</td><td>%</td><td>67</td><td>%</td><td>67</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>40</td><td>%</td><td>40</td><td>%</td><td>33</td><td>%</td><td>33</td><td>%</td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>3</td><td>%</td><td>—</td><td></td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
100
percentItemType
table: <entity> 100 </entity> <entity type> percentItemType </entity type> <context> 100 | % | 100 | % | 100 | % | 100 | % </context>
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plan Asset Target Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td>Equity Securities</td><td>56</td><td>%</td><td>65</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>41</td><td>%</td><td>35</td><td>%</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
56
percentItemType
table: <entity> 56 </entity> <entity type> percentItemType </entity type> <context> Equity Securities | 56 | % | 65 | % </context>
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plan Asset Target Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td>Equity Securities</td><td>56</td><td>%</td><td>65</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>41</td><td>%</td><td>35</td><td>%</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
65
percentItemType
table: <entity> 65 </entity> <entity type> percentItemType </entity type> <context> Equity Securities | 56 | % | 65 | % </context>
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>Plan Asset Target Allocations</td><td>Pension</td><td>Postretirement Postretirement Health and Life (a) Health and Life (a)</td></tr><tr><td>Equity Securities</td><td>56</td><td>%</td><td>65</td><td>%</td></tr><tr><td>Fixed Income Securities</td><td>41</td><td>%</td><td>35</td><td>%</td></tr><tr><td></td><td></td><td></td></tr><tr><td>Real Estate</td><td>3</td><td>%</td><td>—</td><td></td></tr><tr><td></td><td>100</td><td>%</td><td>100</td><td>%</td></tr></table>
table
41
percentItemType
table: <entity> 41 </entity> <entity type> percentItemType </entity type> <context> Fixed Income Securities | 41 | % | 35 | % </context>
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage