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Commitments and Contingencies - Environmental Loss Contingencies (Details) - Excluding Line 901 Incident - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Loss Contingencies [Line Items]    
Other current liabilities $ 15 $ 10
Other long-term liabilities and deferred credits 81 46
Total $ 96 $ 56
Estimated undiscounted reserve for environmental liabilities, short-term [Extensible Enumeration] Other current liabilities Other current liabilities
Estimated undiscounted reserve for environmental liabilities, long-term [Extensible Enumeration] Other long-term liabilities and deferred credits Other long-term liabilities and deferred credits