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Leases - Schedule of Net Book Value of Assets Subject to Leases (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |
Lessor asset under operating lease, accumulated depreciation | $ 658 | $ 296
Operating lease equipment, net | 8,746 | 8,156
Railcars and locomotives |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |
Operating lease equipment, net | 7,966 | 7,433
Other equipment |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |
Operating lease equipment, net | 780 | 723
Off-lease rail equipment |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |
Operating lease equipment, net | $ 253 | $ 457

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