Fair Value Measurement - Schedule of Commodity Derivative Balances Subject to Right of Setoff (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Offsetting Derivative Assets [Abstract]
Assets - gross amounts recognized	$ 428	$ 724
Assets - amounts without right of setoff	0	39
Assets - gross amounts	428	685
Assets - gross amounts offset	245	375
Assets - net amounts presented	183	310
Assets - cash collateral	0	4
Assets - net amounts	183	306
Offsetting Derivative Liabilities [Abstract]
Liabilities - gross amounts recognized	382	647
Liabilities - amounts without right of setoff	1	34
Liabilities - gross amounts recognized	381	613
Liabilities - gross amounts offset	245	375
Liabilities - net amounts presented	136	238
Liabilities - cash collateral	53	47
Liabilities - net amounts	$ 83	$ 191