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Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense.
text
36
monetaryItemType
text: <entity> 36 </entity> <entity type> monetaryItemType </entity type> <context> Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense. </context>
us-gaap:InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense.
text
7
monetaryItemType
text: <entity> 7 </entity> <entity type> monetaryItemType </entity type> <context> Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense. </context>
us-gaap:InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense.
text
2
monetaryItemType
text: <entity> 2 </entity> <entity type> monetaryItemType </entity type> <context> Includes interest rate swap instruments acquired as part of the Merger (see Note 3). The interest rate swap instrument on $ 36 million of mortgage debt that was acquired as part of the Merger matured in October 2024 and has been excluded herein. These interest rate swap instruments were redesignated as cash flow hedges on the Closing Date. As a result of the Merger, the aggregate fair value of these interest rate swap instruments was determined to be $ 7 million on March 1, 2024, which was recognized within other assets, net on the Consolidated Balance Sheets on the Closing Date. The aggregate fair value as of the Closing Date is being amortized into interest expense on the Consolidated Statements of Operations over the terms of the related interest rate swap instruments. During the year ended December 31, 2024, the Company recognized $ 2 million of related amortization into interest expense. </context>
us-gaap:InterestExpenseOther
Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million.
text
two
integerItemType
text: <entity> two </entity> <entity type> integerItemType </entity type> <context> Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million.
text
110
monetaryItemType
text: <entity> 110 </entity> <entity type> monetaryItemType </entity type> <context> Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million. </context>
us-gaap:DerivativeAssetNotionalAmount
Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million.
text
one
integerItemType
text: <entity> one </entity> <entity type> integerItemType </entity type> <context> Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million.
text
180
monetaryItemType
text: <entity> 180 </entity> <entity type> monetaryItemType </entity type> <context> Includes two interest rate swap instruments each with notional amounts of $ 110 million and one interest rate swap instrument with a notional amount of $ 180 million. </context>
us-gaap:DerivativeAssetNotionalAmount
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
two
integerItemType
text: <entity> two </entity> <entity type> integerItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
3.56
percentItemType
text: <entity> 3.56 </entity> <entity type> percentItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeFixedInterestRate
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
50
monetaryItemType
text: <entity> 50 </entity> <entity type> monetaryItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeAssetNotionalAmount
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
three
integerItemType
text: <entity> three </entity> <entity type> integerItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
3.57
percentItemType
text: <entity> 3.57 </entity> <entity type> percentItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeFixedInterestRate
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
one
integerItemType
text: <entity> one </entity> <entity type> integerItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
3.58
percentItemType
text: <entity> 3.58 </entity> <entity type> percentItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeFixedInterestRate
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
100
monetaryItemType
text: <entity> 100 </entity> <entity type> monetaryItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeAssetNotionalAmount
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
five
integerItemType
text: <entity> five </entity> <entity type> integerItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:NumberOfInterestRateDerivativesHeld
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
3.60
percentItemType
text: <entity> 3.60 </entity> <entity type> percentItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeFixedInterestRate
Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount.
text
3.61
percentItemType
text: <entity> 3.61 </entity> <entity type> percentItemType </entity type> <context> Includes the following: (i) two interest rate swap instruments each with a pay rate of 3.56 % and $ 50 million notional amount; (ii) three interest rate swap instruments each with a pay rate of 3.57 % and $ 50 million notional amount; (iii) one interest rate swap instrument with a pay rate of 3.58 % and $ 100 million notional amount; (iv) five interest rate swap instruments each with a pay rate of 3.60 % and $ 50 million notional amount; and (v) three interest rate swap instruments each with a pay rate of 3.61 % and $ 50 million notional amount. </context>
us-gaap:DerivativeFixedInterestRate
$ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations.
text
53
monetaryItemType
text: <entity> 53 </entity> <entity type> monetaryItemType </entity type> <context> $ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations. </context>
us-gaap:OtherAmortizationOfDeferredCharges
$ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations.
text
68
monetaryItemType
text: <entity> 68 </entity> <entity type> monetaryItemType </entity type> <context> $ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations. </context>
us-gaap:OtherAmortizationOfDeferredCharges
$ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations.
text
44
monetaryItemType
text: <entity> 44 </entity> <entity type> monetaryItemType </entity type> <context> $ 53 million, $ 68 million, and $ 44 million, respectively, which is included in rental and related revenues on the Consolidated Statements of Operations. </context>
us-gaap:OtherAmortizationOfDeferredCharges
Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 .
text
2.8
monetaryItemType
text: <entity> 2.8 </entity> <entity type> monetaryItemType </entity type> <context> Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 . </context>
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 .
text
2.7
monetaryItemType
text: <entity> 2.7 </entity> <entity type> monetaryItemType </entity type> <context> Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 . </context>
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 .
text
2.4
monetaryItemType
text: <entity> 2.4 </entity> <entity type> monetaryItemType </entity type> <context> Although our revenues are principally derived from customers domiciled in the U.S., the ultimate points of origination or destination for some products we transport are outside the U.S. Each of our commodity groups includes revenues from shipments to and from Mexico. Included in the above table are freight revenues from our Mexico business which amounted to $ 2.8 billion in 2023 , $ 2.7 billion in 2022 , and $ 2.4 billion in 2021 . </context>
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
We recognize freight revenues over time as freight moves from origin to destination. The allocation of revenues between reporting periods is based on the relative transit time in each reporting period with expenses recognized as incurred. Outstanding performance obligations related to freight moves in transit totaled $ 149 million at December 31, 2023 , and $ 194 million at December 31, 2022 , and are expected to be recognized in the following quarter as we satisfy our remaining performance obligations and deliver freight to destination. The transaction price is generally specified in a contract and may be dependent on the commodity, origin/destination, and route. Customer incentives, which are primarily provided for shipping to/from specific locations or based on cumulative volumes, are recorded as a reduction to operating revenues. Customer incentives that include variable consideration based on cumulative volumes are estimated using the expected value method, which is based on available historical, current, and forecasted volumes, and recognized as the related performance obligation is satisfied.
text
149
monetaryItemType
text: <entity> 149 </entity> <entity type> monetaryItemType </entity type> <context> We recognize freight revenues over time as freight moves from origin to destination. The allocation of revenues between reporting periods is based on the relative transit time in each reporting period with expenses recognized as incurred. Outstanding performance obligations related to freight moves in transit totaled $ 149 million at December 31, 2023 , and $ 194 million at December 31, 2022 , and are expected to be recognized in the following quarter as we satisfy our remaining performance obligations and deliver freight to destination. The transaction price is generally specified in a contract and may be dependent on the commodity, origin/destination, and route. Customer incentives, which are primarily provided for shipping to/from specific locations or based on cumulative volumes, are recorded as a reduction to operating revenues. Customer incentives that include variable consideration based on cumulative volumes are estimated using the expected value method, which is based on available historical, current, and forecasted volumes, and recognized as the related performance obligation is satisfied. </context>
us-gaap:RevenueRemainingPerformanceObligation
We recognize freight revenues over time as freight moves from origin to destination. The allocation of revenues between reporting periods is based on the relative transit time in each reporting period with expenses recognized as incurred. Outstanding performance obligations related to freight moves in transit totaled $ 149 million at December 31, 2023 , and $ 194 million at December 31, 2022 , and are expected to be recognized in the following quarter as we satisfy our remaining performance obligations and deliver freight to destination. The transaction price is generally specified in a contract and may be dependent on the commodity, origin/destination, and route. Customer incentives, which are primarily provided for shipping to/from specific locations or based on cumulative volumes, are recorded as a reduction to operating revenues. Customer incentives that include variable consideration based on cumulative volumes are estimated using the expected value method, which is based on available historical, current, and forecasted volumes, and recognized as the related performance obligation is satisfied.
text
194
monetaryItemType
text: <entity> 194 </entity> <entity type> monetaryItemType </entity type> <context> We recognize freight revenues over time as freight moves from origin to destination. The allocation of revenues between reporting periods is based on the relative transit time in each reporting period with expenses recognized as incurred. Outstanding performance obligations related to freight moves in transit totaled $ 149 million at December 31, 2023 , and $ 194 million at December 31, 2022 , and are expected to be recognized in the following quarter as we satisfy our remaining performance obligations and deliver freight to destination. The transaction price is generally specified in a contract and may be dependent on the commodity, origin/destination, and route. Customer incentives, which are primarily provided for shipping to/from specific locations or based on cumulative volumes, are recorded as a reduction to operating revenues. Customer incentives that include variable consideration based on cumulative volumes are estimated using the expected value method, which is based on available historical, current, and forecasted volumes, and recognized as the related performance obligation is satisfied. </context>
us-gaap:RevenueRemainingPerformanceObligation
In April 2000, the shareholders approved the Union Pacific Corporation 2000 Directors Plan (Directors Plan) whereby 2,200,000 shares of our common stock were reserved for issuance to our non-employee directors. Under the Directors Plan, each non-employee director, upon his or her initial election to the Board of Directors, received a grant of 4,000 retention shares or retention stock units. In July 2018, the Board of Directors eliminated the retention grant for directors newly elected in 2018 and all future years. As of December 31, 2023 , 16,000 restricted shares were outstanding under the Directors Plan.
text
2200000
sharesItemType
text: <entity> 2200000 </entity> <entity type> sharesItemType </entity type> <context> In April 2000, the shareholders approved the Union Pacific Corporation 2000 Directors Plan (Directors Plan) whereby 2,200,000 shares of our common stock were reserved for issuance to our non-employee directors. Under the Directors Plan, each non-employee director, upon his or her initial election to the Board of Directors, received a grant of 4,000 retention shares or retention stock units. In July 2018, the Board of Directors eliminated the retention grant for directors newly elected in 2018 and all future years. As of December 31, 2023 , 16,000 restricted shares were outstanding under the Directors Plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
In April 2000, the shareholders approved the Union Pacific Corporation 2000 Directors Plan (Directors Plan) whereby 2,200,000 shares of our common stock were reserved for issuance to our non-employee directors. Under the Directors Plan, each non-employee director, upon his or her initial election to the Board of Directors, received a grant of 4,000 retention shares or retention stock units. In July 2018, the Board of Directors eliminated the retention grant for directors newly elected in 2018 and all future years. As of December 31, 2023 , 16,000 restricted shares were outstanding under the Directors Plan.
text
16000
sharesItemType
text: <entity> 16000 </entity> <entity type> sharesItemType </entity type> <context> In April 2000, the shareholders approved the Union Pacific Corporation 2000 Directors Plan (Directors Plan) whereby 2,200,000 shares of our common stock were reserved for issuance to our non-employee directors. Under the Directors Plan, each non-employee director, upon his or her initial election to the Board of Directors, received a grant of 4,000 retention shares or retention stock units. In July 2018, the Board of Directors eliminated the retention grant for directors newly elected in 2018 and all future years. As of December 31, 2023 , 16,000 restricted shares were outstanding under the Directors Plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan.
text
78000000
sharesItemType
text: <entity> 78000000 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan.
text
1090770
sharesItemType
text: <entity> 1090770 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan.
text
245107
sharesItemType
text: <entity> 245107 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2013 Stock Incentive Plan ( 2013 Plan) was approved by shareholders in May 2013. The 2013 Plan reserved 78,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of February 28, 2013, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2013 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2013 Plan. As of December 31, 2023 , 1,090,770 stock options and 245,107 retention shares and stock units were outstanding under the 2013 Plan. We no longer grant any stock options or other stock or unit awards under this plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
The Union Pacific Corporation 2021 Stock Incentive Plan ( 2021 Plan) was approved by shareholders in May 2021. The 2021 Plan reserved 23,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of December 31, 2020, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2021 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2021 Plan. As of December 31, 2023 , 981,484 stock options and 1,059,344 retention shares were outstanding under the 2021 Plan.
text
981484
sharesItemType
text: <entity> 981484 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2021 Stock Incentive Plan ( 2021 Plan) was approved by shareholders in May 2021. The 2021 Plan reserved 23,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of December 31, 2020, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2021 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2021 Plan. As of December 31, 2023 , 981,484 stock options and 1,059,344 retention shares were outstanding under the 2021 Plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
The Union Pacific Corporation 2021 Stock Incentive Plan ( 2021 Plan) was approved by shareholders in May 2021. The 2021 Plan reserved 23,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of December 31, 2020, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2021 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2021 Plan. As of December 31, 2023 , 981,484 stock options and 1,059,344 retention shares were outstanding under the 2021 Plan.
text
1059344
sharesItemType
text: <entity> 1059344 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2021 Stock Incentive Plan ( 2021 Plan) was approved by shareholders in May 2021. The 2021 Plan reserved 23,000,000 shares of our common stock for issuance, plus any shares subject to awards made under previous plans as of December 31, 2020, that are subsequently cancelled, expired, forfeited, or otherwise not issued under previous plans. Under the 2021 Plan, non-qualified stock options, incentive stock options, retention shares, stock units, and incentive bonus awards may be granted to eligible employees of the Corporation and its subsidiaries. Non-employee directors are not eligible for awards under the 2021 Plan. As of December 31, 2023 , 981,484 stock options and 1,059,344 retention shares were outstanding under the 2021 Plan. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
The Union Pacific Corporation 2021 Employee Stock Purchase Plan ( 2021 ESPP) was approved by shareholders in May 2021. The 2021 ESPP reserved 10,000,000 shares of our common stock for issuance. Under the 2021 ESPP, eligible employees of the Corporation and its subsidiaries may elect to purchase shares with a Company match award. Non-employee directors are not eligible for awards under the 2021 ESPP. As of December 31, 2023 , 754,708 shares were issued under the 2021 ESPP.
text
10000000
sharesItemType
text: <entity> 10000000 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2021 Employee Stock Purchase Plan ( 2021 ESPP) was approved by shareholders in May 2021. The 2021 ESPP reserved 10,000,000 shares of our common stock for issuance. Under the 2021 ESPP, eligible employees of the Corporation and its subsidiaries may elect to purchase shares with a Company match award. Non-employee directors are not eligible for awards under the 2021 ESPP. As of December 31, 2023 , 754,708 shares were issued under the 2021 ESPP. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
The Union Pacific Corporation 2021 Employee Stock Purchase Plan ( 2021 ESPP) was approved by shareholders in May 2021. The 2021 ESPP reserved 10,000,000 shares of our common stock for issuance. Under the 2021 ESPP, eligible employees of the Corporation and its subsidiaries may elect to purchase shares with a Company match award. Non-employee directors are not eligible for awards under the 2021 ESPP. As of December 31, 2023 , 754,708 shares were issued under the 2021 ESPP.
text
754708
sharesItemType
text: <entity> 754708 </entity> <entity type> sharesItemType </entity type> <context> The Union Pacific Corporation 2021 Employee Stock Purchase Plan ( 2021 ESPP) was approved by shareholders in May 2021. The 2021 ESPP reserved 10,000,000 shares of our common stock for issuance. Under the 2021 ESPP, eligible employees of the Corporation and its subsidiaries may elect to purchase shares with a Company match award. Non-employee directors are not eligible for awards under the 2021 ESPP. As of December 31, 2023 , 754,708 shares were issued under the 2021 ESPP. </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
At December 31, 2023 , there was $ 16 million of unrecognized compensation expense related to nonvested stock options, which is expected to be recognized over a weighted-average period of 1.0 year. Additional information regarding stock option exercises appears in the following table:
text
16
monetaryItemType
text: <entity> 16 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2023 , there was $ 16 million of unrecognized compensation expense related to nonvested stock options, which is expected to be recognized over a weighted-average period of 1.0 year. Additional information regarding stock option exercises appears in the following table: </context>
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
At December 31, 2023 , there was $ 82 million of total unrecognized compensation expense related to nonvested retention awards, which is expected to be recognized over a weighted-average period of 1.4 years.
text
82
monetaryItemType
text: <entity> 82 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2023 , there was $ 82 million of total unrecognized compensation expense related to nonvested retention awards, which is expected to be recognized over a weighted-average period of 1.4 years. </context>
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
At December 31, 2023 , there was $ 13 million of total unrecognized compensation expense related to nonvested performance stock unit awards, which is expected to be recognized over a weighted-average period of 0.8 years. This expense is subject to achievement of the performance measures established for the performance stock unit grants.
text
13
monetaryItemType
text: <entity> 13 </entity> <entity type> monetaryItemType </entity type> <context> At December 31, 2023 , there was $ 13 million of total unrecognized compensation expense related to nonvested performance stock unit awards, which is expected to be recognized over a weighted-average period of 0.8 years. This expense is subject to achievement of the performance measures established for the performance stock unit grants. </context>
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Employee Stock Purchase Plan - Our ESPP started in July 2021. Employee and Company contributions are used to issue treasury shares the month after employee contributions are withheld based on the settlement date closing price. The Company matches 40 % contributed by the employee up to a maximum employee contribution of 5 % of monthly salary (limited to $ 15,000 annually). We expense the Company contributions in the month the employee services were rendered (i.e., the month the employee contributions were withheld).
text
40
percentItemType
text: <entity> 40 </entity> <entity type> percentItemType </entity type> <context> Employee Stock Purchase Plan - Our ESPP started in July 2021. Employee and Company contributions are used to issue treasury shares the month after employee contributions are withheld based on the settlement date closing price. The Company matches 40 % contributed by the employee up to a maximum employee contribution of 5 % of monthly salary (limited to $ 15,000 annually). We expense the Company contributions in the month the employee services were rendered (i.e., the month the employee contributions were withheld). </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate
Employee Stock Purchase Plan - Our ESPP started in July 2021. Employee and Company contributions are used to issue treasury shares the month after employee contributions are withheld based on the settlement date closing price. The Company matches 40 % contributed by the employee up to a maximum employee contribution of 5 % of monthly salary (limited to $ 15,000 annually). We expense the Company contributions in the month the employee services were rendered (i.e., the month the employee contributions were withheld).
text
5
percentItemType
text: <entity> 5 </entity> <entity type> percentItemType </entity type> <context> Employee Stock Purchase Plan - Our ESPP started in July 2021. Employee and Company contributions are used to issue treasury shares the month after employee contributions are withheld based on the settlement date closing price. The Company matches 40 % contributed by the employee up to a maximum employee contribution of 5 % of monthly salary (limited to $ 15,000 annually). We expense the Company contributions in the month the employee services were rendered (i.e., the month the employee contributions were withheld). </context>
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate
discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %.
text
5.21
percentItemType
text: <entity> 5.21 </entity> <entity type> percentItemType </entity type> <context> discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %. </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %.
text
5.00
percentItemType
text: <entity> 5.00 </entity> <entity type> percentItemType </entity type> <context> discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %. </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %.
text
2.80
percentItemType
text: <entity> 2.80 </entity> <entity type> percentItemType </entity type> <context> discount rates from 5.21 % to 5.00 %. Actuarial gains that decreased the PBO were driven by an increase in 2022 discount rates from 2.80 % to 5.21 %. </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Pre-tax amounts recognized in accumulated other comprehensive income/loss consist of $ 643 million and $ 493 million net actuarial loss as of
text
643
monetaryItemType
text: <entity> 643 </entity> <entity type> monetaryItemType </entity type> <context> Pre-tax amounts recognized in accumulated other comprehensive income/loss consist of $ 643 million and $ 493 million net actuarial loss as of </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
Pre-tax amounts recognized in accumulated other comprehensive income/loss consist of $ 643 million and $ 493 million net actuarial loss as of
text
493
monetaryItemType
text: <entity> 493 </entity> <entity type> monetaryItemType </entity type> <context> Pre-tax amounts recognized in accumulated other comprehensive income/loss consist of $ 643 million and $ 493 million net actuarial loss as of </context>
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
The ABO for all defined benefit pension plans was $ 3.6 billion and $ 3.5 billion at
text
3.6
monetaryItemType
text: <entity> 3.6 </entity> <entity type> monetaryItemType </entity type> <context> The ABO for all defined benefit pension plans was $ 3.6 billion and $ 3.5 billion at </context>
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
The ABO for all defined benefit pension plans was $ 3.6 billion and $ 3.5 billion at
text
3.5
monetaryItemType
text: <entity> 3.5 </entity> <entity type> monetaryItemType </entity type> <context> The ABO for all defined benefit pension plans was $ 3.6 billion and $ 3.5 billion at </context>
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
The pension plan investments are held in a master trust. The investment strategy for pension plan assets is to maintain a broadly diversified portfolio designed to achieve our target average long-term rate of return of 5.25 %. While we believe we can achieve a long-term average rate of return of 5.25 %, we cannot be certain that the portfolio will perform to our expectations. Assets are strategically allocated among equity, debt, and other investments in order to achieve a diversification level that reduces fluctuations in investment returns. Asset allocation target ranges for equity, debt, and other portfolios are evaluated at least every three years with the assistance of an independent consulting firm. Actual asset allocations are monitored monthly, and rebalancing actions are executed at least quarterly, as needed.
text
5.25
percentItemType
text: <entity> 5.25 </entity> <entity type> percentItemType </entity type> <context> The pension plan investments are held in a master trust. The investment strategy for pension plan assets is to maintain a broadly diversified portfolio designed to achieve our target average long-term rate of return of 5.25 %. While we believe we can achieve a long-term average rate of return of 5.25 %, we cannot be certain that the portfolio will perform to our expectations. Assets are strategically allocated among equity, debt, and other investments in order to achieve a diversification level that reduces fluctuations in investment returns. Asset allocation target ranges for equity, debt, and other portfolios are evaluated at least every three years with the assistance of an independent consulting firm. Actual asset allocations are monitored monthly, and rebalancing actions are executed at least quarterly, as needed. </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
134
monetaryItemType
text: <entity> 134 </entity> <entity type> monetaryItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
4.97
percentItemType
text: <entity> 4.97 </entity> <entity type> percentItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
5.23
percentItemType
text: <entity> 5.23 </entity> <entity type> percentItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
7
monetaryItemType
text: <entity> 7 </entity> <entity type> monetaryItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
2
monetaryItemType
text: <entity> 2 </entity> <entity type> monetaryItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 .
text
3
monetaryItemType
text: <entity> 3 </entity> <entity type> monetaryItemType </entity type> <context> Other Post Retirement Benefits – We provide medical and life insurance benefits for eligible retirees hired before January 1, 2004. These benefits are funded as medical claims and life insurance premiums are paid. OPEB expense is determined based upon the annual service cost of benefits and the interest cost on those liabilities plus amortization of net (gain)/loss amounts offset by amortization of prior service credits recorded in AOCI. Our OPEB liability was $ 104 million and $ 134 million at December 31, 2023 and 2022 , respectively. The liability is based on discount rate assumptions of 4.97 % and 5.23 % at December 31, 2023 and 2022, respectively. OPEB net periodic (benefit)/cost was ($ 7 ) million in 2023 , ($ 2 ) million in 2022 , and ($ 3 ) million in 2021 . </context>
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
50
percentItemType
text: <entity> 50 </entity> <entity type> percentItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
6
percentItemType
text: <entity> 6 </entity> <entity type> percentItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
100
percentItemType
text: <entity> 100 </entity> <entity type> percentItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
27
monetaryItemType
text: <entity> 27 </entity> <entity type> monetaryItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanCostRecognized
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
24
monetaryItemType
text: <entity> 24 </entity> <entity type> monetaryItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanCostRecognized
401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 .
text
21
monetaryItemType
text: <entity> 21 </entity> <entity type> monetaryItemType </entity type> <context> 401 (k)/Thrift Plan – For non-union employees hired prior to January 1, 2018, and eligible union employees for whom we make matching contributions, we provide a defined contribution plan ( 401 (k)/thrift plan). We match 50 % for each dollar contributed by employees up to the first 6 % of compensation contributed. For non-union employees hired on or after January 1, 2018, we match 100 % for each dollar, up to the first 6 % of compensation contributed, in addition to contributing an annual amount of 3 % of the employee’s annual base salary. Our plan contributions were $ 27 million in 2023 , $ 24 million in 2022 , and $ 21 million in 2021 . </context>
us-gaap:DefinedContributionPlanCostRecognized
Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 .
text
16
monetaryItemType
text: <entity> 16 </entity> <entity type> monetaryItemType </entity type> <context> Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 . </context>
us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity
Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 .
text
20
monetaryItemType
text: <entity> 20 </entity> <entity type> monetaryItemType </entity type> <context> Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 . </context>
us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity
Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 .
text
30
monetaryItemType
text: <entity> 30 </entity> <entity type> monetaryItemType </entity type> <context> Collective Bargaining Agreements – Under collective bargaining agreements, we participate in multi-employer benefit plans that provide certain post retirement health care and life insurance benefits for eligible union employees. Premiums paid under these plans are expensed as incurred and amounted to $ 16 million in 2023 , $ 20 million in 2022 , and $ 30 million in 2021 . </context>
us-gaap:MultipleEmployerPlanAccountedForAsMultiemployerPlanContributionByParticipatingEntity
In 2023 and 2022 , there were no valuation allowances against deferred tax assets.
text
no
monetaryItemType
text: <entity> no </entity> <entity type> monetaryItemType </entity type> <context> In 2023 and 2022 , there were no valuation allowances against deferred tax assets. </context>
us-gaap:DeferredTaxAssetsValuationAllowance
We do not expect our unrecognized tax benefits to change significantly in the next 12 months. The portion of our unrecognized tax benefits that relates to permanent changes in tax and interest would reduce our effective tax rate, if recognized. The remaining unrecognized tax benefits relate to tax positions for which only the timing of the benefit is uncertain. The unrecognized tax benefits that would reduce our effective tax rate are $ 30 million for 2023 , $ 31 million for 2022 , and $ 31 million for 2021 .
text
30
monetaryItemType
text: <entity> 30 </entity> <entity type> monetaryItemType </entity type> <context> We do not expect our unrecognized tax benefits to change significantly in the next 12 months. The portion of our unrecognized tax benefits that relates to permanent changes in tax and interest would reduce our effective tax rate, if recognized. The remaining unrecognized tax benefits relate to tax positions for which only the timing of the benefit is uncertain. The unrecognized tax benefits that would reduce our effective tax rate are $ 30 million for 2023 , $ 31 million for 2022 , and $ 31 million for 2021 . </context>
us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
We do not expect our unrecognized tax benefits to change significantly in the next 12 months. The portion of our unrecognized tax benefits that relates to permanent changes in tax and interest would reduce our effective tax rate, if recognized. The remaining unrecognized tax benefits relate to tax positions for which only the timing of the benefit is uncertain. The unrecognized tax benefits that would reduce our effective tax rate are $ 30 million for 2023 , $ 31 million for 2022 , and $ 31 million for 2021 .
text
31
monetaryItemType
text: <entity> 31 </entity> <entity type> monetaryItemType </entity type> <context> We do not expect our unrecognized tax benefits to change significantly in the next 12 months. The portion of our unrecognized tax benefits that relates to permanent changes in tax and interest would reduce our effective tax rate, if recognized. The remaining unrecognized tax benefits relate to tax positions for which only the timing of the benefit is uncertain. The unrecognized tax benefits that would reduce our effective tax rate are $ 30 million for 2023 , $ 31 million for 2022 , and $ 31 million for 2021 . </context>
us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive.
text
0.9
sharesItemType
text: <entity> 0.9 </entity> <entity type> sharesItemType </entity type> <context> Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive. </context>
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive.
text
0.3
sharesItemType
text: <entity> 0.3 </entity> <entity type> sharesItemType </entity type> <context> Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive. </context>
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive.
text
0.2
sharesItemType
text: <entity> 0.2 </entity> <entity type> sharesItemType </entity type> <context> Common stock options totaling 0.9 million, 0.3 million, and 0.2 million for 2023 , 2022 , and 2021 , respectively, were excluded from the computation of diluted earnings per share because the exercise prices of these stock options exceeded the average market price of our common stock for the respective periods, and the effect of their inclusion would be anti-dilutive. </context>
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively.
text
9
monetaryItemType
text: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively. </context>
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively.
text
10
monetaryItemType
text: <entity> 10 </entity> <entity type> monetaryItemType </entity type> <context> Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively. </context>
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively.
text
71
monetaryItemType
text: <entity> 71 </entity> <entity type> monetaryItemType </entity type> <context> Accounts receivable includes freight and other receivables reduced by an allowance for doubtful accounts. At December 31, 2023 and 2022, our accounts receivable were reduced by $ 9 million and $ 10 million, respectively. Receivables not expected to be collected in one year and the associated allowances are classified as other assets in our Consolidated Statements of Financial Position. At December 31, 2023 and 2022 , receivables classified as other assets were reduced by allowances of $ 71 million and $ 58 million, respectively. </context>
us-gaap:AllowanceForDoubtfulAccountsReceivableNoncurrent
58 million, respectively.
text
58
monetaryItemType
text: <entity> 58 </entity> <entity type> monetaryItemType </entity type> <context> 58 million, respectively. </context>
us-gaap:AllowanceForDoubtfulAccountsReceivableNoncurrent
The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively.
text
9
monetaryItemType
text: <entity> 9 </entity> <entity type> monetaryItemType </entity type> <context> The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively. </context>
us-gaap:InterestExpense
The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively.
text
10
monetaryItemType
text: <entity> 10 </entity> <entity type> monetaryItemType </entity type> <context> The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively. </context>
us-gaap:InterestExpense
The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively.
text
4
monetaryItemType
text: <entity> 4 </entity> <entity type> monetaryItemType </entity type> <context> The costs of the Receivables Facility include interest, which will vary based on prevailing benchmark and commercial paper rates, program fees paid to participating banks, commercial paper issuance costs, and fees of participating banks for unused commitment availability. The costs of the Receivables Facility are included in interest expense and were $ 9 million, $ 10 million, and $ 4 million for 2023 , 2022 , and 2021 , respectively. </context>
us-gaap:InterestExpense
Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 .
text
2.5
monetaryItemType
text: <entity> 2.5 </entity> <entity type> monetaryItemType </entity type> <context> Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 . </context>
us-gaap:CostOfPropertyRepairsAndMaintenance
Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 .
text
2.4
monetaryItemType
text: <entity> 2.4 </entity> <entity type> monetaryItemType </entity type> <context> Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 . </context>
us-gaap:CostOfPropertyRepairsAndMaintenance
Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 .
text
2.1
monetaryItemType
text: <entity> 2.1 </entity> <entity type> monetaryItemType </entity type> <context> Costs incurred that extend the useful life of an asset, improve the safety of our operations, or improve operating efficiency are capitalized, while normal repairs and maintenance are expensed as incurred. These costs are allocated using appropriate statistical bases. Total expense for repairs and maintenance incurred was $ 2.5 billion for 2023 , $ 2.4 billion for 2022 , and $ 2.1 billion for 2021 . </context>
us-gaap:CostOfPropertyRepairsAndMaintenance
Short-Term Investments – All of the Company’s short-term investments consist of time deposits and government agency securities. These investments are considered Level 2 investments and are valued at amortized cost, which approximates fair value. As of December 31, 2023 and 2022 , the Company had $ 16 million and $ 46 million of short-term investments, respectively. All short-term investments have a maturity of less than one year and are classified as held-to-maturity.
text
46
monetaryItemType
text: <entity> 46 </entity> <entity type> monetaryItemType </entity type> <context> Short-Term Investments – All of the Company’s short-term investments consist of time deposits and government agency securities. These investments are considered Level 2 investments and are valued at amortized cost, which approximates fair value. As of December 31, 2023 and 2022 , the Company had $ 16 million and $ 46 million of short-term investments, respectively. All short-term investments have a maturity of less than one year and are classified as held-to-maturity. </context>
us-gaap:HeldToMaturitySecuritiesCurrent
Fair Value of Financial Instruments – The fair value of our short- and long-term debt was estimated using a market value price model, which utilizes applicable U.S. Treasury rates along with current market quotes on comparable debt securities. All of the inputs used to determine the fair market value of the Corporation’s long-term debt are Level 2 inputs and obtained from an independent source. At December 31, 2023 , the fair value of total debt was $ 28.5 billion, approximately $ 4.1 billion less than the carrying value. At December 31, 2022 , the fair value of total debt was $ 28.1 billion, approximately $ 5.2 billion less than the carrying value. The fair value of the Corporation’s debt is a measure of its current value under present market conditions. The fair value of our cash equivalents approximates their carrying value due to the short-term maturities of these instruments.
text
28.5
monetaryItemType
text: <entity> 28.5 </entity> <entity type> monetaryItemType </entity type> <context> Fair Value of Financial Instruments – The fair value of our short- and long-term debt was estimated using a market value price model, which utilizes applicable U.S. Treasury rates along with current market quotes on comparable debt securities. All of the inputs used to determine the fair market value of the Corporation’s long-term debt are Level 2 inputs and obtained from an independent source. At December 31, 2023 , the fair value of total debt was $ 28.5 billion, approximately $ 4.1 billion less than the carrying value. At December 31, 2022 , the fair value of total debt was $ 28.1 billion, approximately $ 5.2 billion less than the carrying value. The fair value of the Corporation’s debt is a measure of its current value under present market conditions. The fair value of our cash equivalents approximates their carrying value due to the short-term maturities of these instruments. </context>
us-gaap:DebtInstrumentFairValue
Fair Value of Financial Instruments – The fair value of our short- and long-term debt was estimated using a market value price model, which utilizes applicable U.S. Treasury rates along with current market quotes on comparable debt securities. All of the inputs used to determine the fair market value of the Corporation’s long-term debt are Level 2 inputs and obtained from an independent source. At December 31, 2023 , the fair value of total debt was $ 28.5 billion, approximately $ 4.1 billion less than the carrying value. At December 31, 2022 , the fair value of total debt was $ 28.1 billion, approximately $ 5.2 billion less than the carrying value. The fair value of the Corporation’s debt is a measure of its current value under present market conditions. The fair value of our cash equivalents approximates their carrying value due to the short-term maturities of these instruments.
text
28.1
monetaryItemType
text: <entity> 28.1 </entity> <entity type> monetaryItemType </entity type> <context> Fair Value of Financial Instruments – The fair value of our short- and long-term debt was estimated using a market value price model, which utilizes applicable U.S. Treasury rates along with current market quotes on comparable debt securities. All of the inputs used to determine the fair market value of the Corporation’s long-term debt are Level 2 inputs and obtained from an independent source. At December 31, 2023 , the fair value of total debt was $ 28.5 billion, approximately $ 4.1 billion less than the carrying value. At December 31, 2022 , the fair value of total debt was $ 28.1 billion, approximately $ 5.2 billion less than the carrying value. The fair value of the Corporation’s debt is a measure of its current value under present market conditions. The fair value of our cash equivalents approximates their carrying value due to the short-term maturities of these instruments. </context>
us-gaap:DebtInstrumentFairValue
Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest.
text
750
monetaryItemType
text: <entity> 750 </entity> <entity type> monetaryItemType </entity type> <context> Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest. </context>
us-gaap:DebtInstrumentRepurchaseAmount
Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest.
text
4.163
percentItemType
text: <entity> 4.163 </entity> <entity type> percentItemType </entity type> <context> Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest. </context>
us-gaap:DebtInstrumentInterestRateStatedPercentage
Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest.
text
100
percentItemType
text: <entity> 100 </entity> <entity type> percentItemType </entity type> <context> Debt Redemption – On April 15, 2022 , we redeemed all $ 750 million of outstanding 4.163 % notes due July 15, 2022, at a redemption price equal to 100 % of the principal amount of the notes plus accrued and unpaid interest. </context>
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Credit Facilities – At December 31, 2023 , we had $ 2.0 billion of credit available under our revolving credit facility, which is designated for general corporate purposes and supports the issuance of commercial paper. Credit facility withdrawals totaled $ 0 during 2023 . Commitment fees and interest rates payable under the Facility are similar to fees and rates available to comparably rated, investment-grade borrowers. The Facility allows for borrowings at floating rates based on Term Secured Overnight Financing Rate (SOFR), plus a spread, depending upon credit ratings for our senior unsecured debt. The Facility, set to expire May 20, 2027 , requires UPC to maintain an adjusted debt-to-EBITDA (earnings before interest, taxes, depreciation, and amortization) coverage ratio.
text
2.0
monetaryItemType
text: <entity> 2.0 </entity> <entity type> monetaryItemType </entity type> <context> Credit Facilities – At December 31, 2023 , we had $ 2.0 billion of credit available under our revolving credit facility, which is designated for general corporate purposes and supports the issuance of commercial paper. Credit facility withdrawals totaled $ 0 during 2023 . Commitment fees and interest rates payable under the Facility are similar to fees and rates available to comparably rated, investment-grade borrowers. The Facility allows for borrowings at floating rates based on Term Secured Overnight Financing Rate (SOFR), plus a spread, depending upon credit ratings for our senior unsecured debt. The Facility, set to expire May 20, 2027 , requires UPC to maintain an adjusted debt-to-EBITDA (earnings before interest, taxes, depreciation, and amortization) coverage ratio. </context>
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
Credit Facilities – At December 31, 2023 , we had $ 2.0 billion of credit available under our revolving credit facility, which is designated for general corporate purposes and supports the issuance of commercial paper. Credit facility withdrawals totaled $ 0 during 2023 . Commitment fees and interest rates payable under the Facility are similar to fees and rates available to comparably rated, investment-grade borrowers. The Facility allows for borrowings at floating rates based on Term Secured Overnight Financing Rate (SOFR), plus a spread, depending upon credit ratings for our senior unsecured debt. The Facility, set to expire May 20, 2027 , requires UPC to maintain an adjusted debt-to-EBITDA (earnings before interest, taxes, depreciation, and amortization) coverage ratio.
text
0
monetaryItemType
text: <entity> 0 </entity> <entity type> monetaryItemType </entity type> <context> Credit Facilities – At December 31, 2023 , we had $ 2.0 billion of credit available under our revolving credit facility, which is designated for general corporate purposes and supports the issuance of commercial paper. Credit facility withdrawals totaled $ 0 during 2023 . Commitment fees and interest rates payable under the Facility are similar to fees and rates available to comparably rated, investment-grade borrowers. The Facility allows for borrowings at floating rates based on Term Secured Overnight Financing Rate (SOFR), plus a spread, depending upon credit ratings for our senior unsecured debt. The Facility, set to expire May 20, 2027 , requires UPC to maintain an adjusted debt-to-EBITDA (earnings before interest, taxes, depreciation, and amortization) coverage ratio. </context>
us-gaap:LineOfCredit
During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility.
text
1.4
monetaryItemType
text: <entity> 1.4 </entity> <entity type> monetaryItemType </entity type> <context> During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility. </context>
us-gaap:ProceedsFromIssuanceOfCommercialPaper
During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility.
text
1.6
monetaryItemType
text: <entity> 1.6 </entity> <entity type> monetaryItemType </entity type> <context> During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility. </context>
us-gaap:RepaymentsOfCommercialPaper
During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility.
text
0
monetaryItemType
text: <entity> 0 </entity> <entity type> monetaryItemType </entity type> <context> During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility. </context>
us-gaap:CommercialPaper
During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility.
text
200
monetaryItemType
text: <entity> 200 </entity> <entity type> monetaryItemType </entity type> <context> During 2023 , we issued $ 1.4 billion and repaid $ 1.6 billion of commercial paper with maturities ranging from 11 to 64 days. As of December 31, 2023 and 2022 , we had $ 0 and $ 200 million of commercial paper outstanding, respectively. Our revolving credit facility supports our outstanding commercial paper balances, and, unless we change the terms of our commercial paper program, our aggregate issuance of commercial paper will not exceed the amount of borrowings available under the Facility. </context>
us-gaap:CommercialPaper
Receivables Securitization Facility – As of December 31, 2023 and 2022 , we recorded $ 0 and $ 100 million, respectively, of borrowings under our Receivables Facility, as secured debt. (See further discussion of our "Receivables Securitization Facility" section in Note 10. )
text
0
monetaryItemType
text: <entity> 0 </entity> <entity type> monetaryItemType </entity type> <context> Receivables Securitization Facility – As of December 31, 2023 and 2022 , we recorded $ 0 and $ 100 million, respectively, of borrowings under our Receivables Facility, as secured debt. (See further discussion of our "Receivables Securitization Facility" section in Note 10. ) </context>
us-gaap:DebtInstrumentCarryingAmount
Receivables Securitization Facility – As of December 31, 2023 and 2022 , we recorded $ 0 and $ 100 million, respectively, of borrowings under our Receivables Facility, as secured debt. (See further discussion of our "Receivables Securitization Facility" section in Note 10. )
text
100
monetaryItemType
text: <entity> 100 </entity> <entity type> monetaryItemType </entity type> <context> Receivables Securitization Facility – As of December 31, 2023 and 2022 , we recorded $ 0 and $ 100 million, respectively, of borrowings under our Receivables Facility, as secured debt. (See further discussion of our "Receivables Securitization Facility" section in Note 10. ) </context>
us-gaap:DebtInstrumentCarryingAmount
We are not considered to be the primary beneficiary and do not consolidate these VIEs because our actions and decisions do not have the most significant effect on the VIE’s performance and our fixed-price purchase options are not considered to be potentially significant to the VIEs. The future minimum lease payments associated with the VIE leases totaled $ 831 million as of December 31, 2023 , and are recorded as operating lease liabilities at present value in our Consolidated Statements of Financial Position.
text
831
monetaryItemType
text: <entity> 831 </entity> <entity type> monetaryItemType </entity type> <context> We are not considered to be the primary beneficiary and do not consolidate these VIEs because our actions and decisions do not have the most significant effect on the VIE’s performance and our fixed-price purchase options are not considered to be potentially significant to the VIEs. The future minimum lease payments associated with the VIE leases totaled $ 831 million as of December 31, 2023 , and are recorded as operating lease liabilities at present value in our Consolidated Statements of Financial Position. </context>
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
Approximately 95 % of the recorded liability is related to asserted claims and approximately 5 % is related to unasserted claims at December 31, 2023 . Because of the uncertainty surrounding the ultimate outcome of personal injury claims, it is reasonably possible that future costs to settle these claims may range from approximately $ 383 million to $ 494 million. We record an accrual at the low end of the range as no amount of loss within the range is more probable than any other. Estimates can vary over time due to evolving trends in litigation.
text
383
monetaryItemType
text: <entity> 383 </entity> <entity type> monetaryItemType </entity type> <context> Approximately 95 % of the recorded liability is related to asserted claims and approximately 5 % is related to unasserted claims at December 31, 2023 . Because of the uncertainty surrounding the ultimate outcome of personal injury claims, it is reasonably possible that future costs to settle these claims may range from approximately $ 383 million to $ 494 million. We record an accrual at the low end of the range as no amount of loss within the range is more probable than any other. Estimates can vary over time due to evolving trends in litigation. </context>
us-gaap:LossContingencyEstimateOfPossibleLoss
Approximately 95 % of the recorded liability is related to asserted claims and approximately 5 % is related to unasserted claims at December 31, 2023 . Because of the uncertainty surrounding the ultimate outcome of personal injury claims, it is reasonably possible that future costs to settle these claims may range from approximately $ 383 million to $ 494 million. We record an accrual at the low end of the range as no amount of loss within the range is more probable than any other. Estimates can vary over time due to evolving trends in litigation.
text
494
monetaryItemType
text: <entity> 494 </entity> <entity type> monetaryItemType </entity type> <context> Approximately 95 % of the recorded liability is related to asserted claims and approximately 5 % is related to unasserted claims at December 31, 2023 . Because of the uncertainty surrounding the ultimate outcome of personal injury claims, it is reasonably possible that future costs to settle these claims may range from approximately $ 383 million to $ 494 million. We record an accrual at the low end of the range as no amount of loss within the range is more probable than any other. Estimates can vary over time due to evolving trends in litigation. </context>
us-gaap:LossContingencyEstimateOfPossibleLoss
Effective April 1, 2022 , our Board of Directors authorized the repurchase of up to 100 million shares of our common stock by March 31, 2025 . As of December 31, 2023 , we repurchased a total of 19.6 million shares of our common stock under the 2022 authorization. These repurchases may be made on the open market or through other transactions. Our management has sole discretion with respect to determining the timing and amount of these transactions.
text
100
sharesItemType
text: <entity> 100 </entity> <entity type> sharesItemType </entity type> <context> Effective April 1, 2022 , our Board of Directors authorized the repurchase of up to 100 million shares of our common stock by March 31, 2025 . As of December 31, 2023 , we repurchased a total of 19.6 million shares of our common stock under the 2022 authorization. These repurchases may be made on the open market or through other transactions. Our management has sole discretion with respect to determining the timing and amount of these transactions. </context>
us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Effective April 1, 2022 , our Board of Directors authorized the repurchase of up to 100 million shares of our common stock by March 31, 2025 . As of December 31, 2023 , we repurchased a total of 19.6 million shares of our common stock under the 2022 authorization. These repurchases may be made on the open market or through other transactions. Our management has sole discretion with respect to determining the timing and amount of these transactions.
text
19.6
sharesItemType
text: <entity> 19.6 </entity> <entity type> sharesItemType </entity type> <context> Effective April 1, 2022 , our Board of Directors authorized the repurchase of up to 100 million shares of our common stock by March 31, 2025 . As of December 31, 2023 , we repurchased a total of 19.6 million shares of our common stock under the 2022 authorization. These repurchases may be made on the open market or through other transactions. Our management has sole discretion with respect to determining the timing and amount of these transactions. </context>
us-gaap:TreasuryStockSharesAcquired
Our previous authorization, which was effective April 1, 2019, through March 31, 2022, was approved by our Board of Directors for up to 150 million shares of common stock. As of March 31, 2022, we repurchased a total of 83.3 million shares of our common stock under the 2019 authorization.
text
150
sharesItemType
text: <entity> 150 </entity> <entity type> sharesItemType </entity type> <context> Our previous authorization, which was effective April 1, 2019, through March 31, 2022, was approved by our Board of Directors for up to 150 million shares of common stock. As of March 31, 2022, we repurchased a total of 83.3 million shares of our common stock under the 2019 authorization. </context>
us-gaap:StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Our previous authorization, which was effective April 1, 2019, through March 31, 2022, was approved by our Board of Directors for up to 150 million shares of common stock. As of March 31, 2022, we repurchased a total of 83.3 million shares of our common stock under the 2019 authorization.
text
83.3
sharesItemType
text: <entity> 83.3 </entity> <entity type> sharesItemType </entity type> <context> Our previous authorization, which was effective April 1, 2019, through March 31, 2022, was approved by our Board of Directors for up to 150 million shares of common stock. As of March 31, 2022, we repurchased a total of 83.3 million shares of our common stock under the 2019 authorization. </context>
us-gaap:TreasuryStockSharesAcquired