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Asset Retirement Obligations and Accrued Environmental Costs - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2022
Site Contingency [Line Items] |  |
Accrued environmental costs | $ 187 | $ 182
Maximum number of years accrued environmental liabilities will be paid over | 30 years |
Expected expenditures for acquired environmental obligations, weighted-average discount factor rate |  | 5.00%
Total environmental accrual included in balance sheet |  | $ 111
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] |  | Asset retirement obligations
Accrued environmental costs discounted |  | $ 147
Cleanup Remediation Activities |  |
Site Contingency [Line Items] |  |
Accrued environmental costs | $ 135 | 107
Corporate and Other Environmental Liabilities |  |
Site Contingency [Line Items] |  |
Accrued environmental costs | 36 | 59
Federal Comprehensive Environmental Response Compensation and Liability Act or Similar State Laws |  |
Site Contingency [Line Items] |  |
Accrued environmental costs | $ 16 | $ 16

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