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Commitment and Contingencies - Schedule of Environmental Matters and Legal Proceedings (Details) - Eastern Ohio Incident - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Loss Contingency Accrual [Roll Forward]    
Loss contingency accrual, beginning balance $ 464 $ 0
Loss contingency receivable, beginning balance 0 0
Loss contingency accrual net of recoveries, beginning balance 464 0
Loss contingency recognized 975 1,217
Loss contingency accrual payments (751) (753)
Loss contingency, receivable, additions 650 101
Loss contingency receivable proceeds (632) (101)
Loss contingency accrual provision net of recoveries 325 1,116
Loss contingency accrual payments net of recoveries (119) (652)
Loss contingency accrual, ending balance 688 464
Loss contingency receivable, ending balance 18 0
Loss contingency accrual net of recoveries, ending balance 670 464
Environmental    
Loss Contingency Accrual [Roll Forward]    
Loss contingency accrual, beginning balance 319 0
Loss contingency recognized 190 836
Loss contingency accrual payments (265) (517)
Loss contingency accrual, ending balance 244 319
Legal Contingencies And Other    
Loss Contingency Accrual [Roll Forward]    
Loss contingency accrual, beginning balance 145 0
Loss contingency recognized 785 381
Loss contingency accrual payments (486) (236)
Loss contingency accrual, ending balance $ 444 $ 145