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v3.25.2

Investments (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) railroad | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Schedule of Investments [Line Items] |  |  |  |  |
Other liabilities | $ 1,708 |  | $ 1,708 |  | $ 1,760
Number of railroads | railroad |  |  | 6 |  |
Purchased services and rents | $ 520 | $ 516 | $ 1,018 | $ 1,044 |
Conrail, Economic |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Equity method investment, ownership (as a percent) | 58.00% |  | 58.00% |  |
Conrail, Voting |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Equity method investment, ownership (as a percent) | 50.00% |  | 50.00% |  |
Conrail Inc |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Equity method investments | $ 1,800 |  | $ 1,800 |  | 1,700
Expenses for operation of the Shared Assets Areas | 44 | 50 | 93 | 102 |
Equity in the earnings of investee | 23 | 22 | 39 | 43 |
Other liabilities | $ 534 |  | $ 534 |  | $ 534
Due to affiliate, average interest rate (as a percent) |  |  | 1.31% |  | 1.31%
TTX Company |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Equity method investment, ownership (as a percent) | 19.78% |  | 19.78% |  |
Equity in the earnings of investee | $ 9 | 14 | $ 20 | 27 |
Purchased services and rents | $ 81 | $ 74 | $ 155 | $ 148 |

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- Definition The amount of expense for contract services provided to the Company and rent paid for freight cars owned by other railroads or private companies net of rents received, including lease expenses, primarily for locomotives, railcars, containers, and trailers. + References No definition available. + Details
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