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Other Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Long-term advances from Conrail (Note 6) | $ 534 | $ 534
Non-current operating lease liability (Note 10) | 287 | 316
Casualty and other claims (Note 17) | 221 | 218
Non-current Eastern Ohio incident liability (Note 17) | 118 | 0
Deferred compensation | 80 | 91
Other | 148 | 141
Total | 1,839 | 1,759
Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, obligations (Note 12) | 279 | 255
Other Postretirement Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, obligations (Note 12) | $ 172 | $ 204

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