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Leases - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Nov. 30, 2022 mi | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |  |
Renewal term |  |  | 99 years |  |
Termination period |  |  | 30 days |  |
Residual value guarantee, percentage |  |  | 83.00% |  |
Estimated construction cost, noncancelable lease |  |  | $ 499 |  |
Operating lease expense |  |  | 26 | $ 25 | $ 24
Right-of-use assets obtained in exchange for new operating lease liabilities |  |  | 65 | 57 |
Operating cash flows from operating leases |  |  | $ 117 | $ 100 |
November 2022 Railway Purchase |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of miles railway line purchased | mi |  | 337 |  |  |
Personal property transaction amount | $ 1,700 |  |  |  |
Equipment | Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term |  |  | 1 year |  |
Equipment | Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term |  |  | 7 years |  |
Line of Road and Property Lease | Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term |  |  | 1 year |  |
Line of Road and Property Lease | Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term |  |  | 134 years |  |
Building |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease term |  |  | 5 years |  |

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