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Commitments and Contingencies - Schedule of Environmental Liability Activity (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Accrual for Environmental Loss Contingencies [Roll Forward]    
Beginning balance $ 268 $ 245
Accruals 44 100
Payments (55) (76)
Ending balance 257 269
Current portion, ending balance at September 30, $ 66 $ 119