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Fair Value Measurement - Schedule of Commodity Derivative Balances Subject to Right of Setoff (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Offsetting Derivative Assets [Abstract]
Assets - gross amounts recognized	$ 1,218	$ 2,037
Assets - amounts without right of setoff	30	39
Assets - gross amounts	1,188	1,998
Assets - gross amounts offset	726	1,176
Assets - net amounts presented	462	822
Assets - cash collateral	0	37
Assets - net amounts	462	785
Offsetting Derivative Liabilities [Abstract]
Liabilities - gross amounts recognized	1,167	2,010
Liabilities - amounts without right of setoff	24	20
Liabilities - gross amounts recognized	1,143	1,990
Liabilities - gross amounts offset	726	1,176
Liabilities - net amounts presented	417	814
Liabilities - cash collateral	35	52
Liabilities - net amounts	$ 382	$ 762

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