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Supplemental Financial Information - Accrued Liabilities (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Voluntary Separation Program | $ 67 | $ 72
Profitsharing and savings plans | 152 | 167
Vacation pay | 507 | 484
Health | 296 | 261
Workers compensation | 116 | 164
Property and income taxes | 65 | 37
Interest | 34 | 45
Bonus and incentive pay | 931 | 563
Other | 300 | 250
Accrued liabilities | $ 2,468 | $ 2,043

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