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Fair Value Measurement - Commodity Derivative Balances Subject to Right of Setoff (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Offsetting Derivative Assets [Abstract]    
Assets - Gross Amounts Recognized $ 2,037 $ 1,243
Assets - Amounts Not Subject to Right of Setoff 39 85
Assets - Amounts Subject to Right of Setoff, Gross Amounts 1,998 1,158
Assets - Amounts Subject to Right of Setoff, Gross Amounts Offset 1,176 650
Assets - Amounts Subject to Right of Setoff, Net Amounts Presented 822 508
Assets - Amounts Subject to Right of Setoff, Cash Collateral 37 0
Assets - Amounts Subject to Right of Setoff, Net Amounts 785 508
Offsetting Derivative Liabilities [Abstract]    
Liabilities - Gross Amounts Recognized 2,010 1,223
Liabilities - Amounts Not Subject to Right of Setoff 20 82
Liabilities - Amounts Subject to Right of Setoff, Gross Amounts 1,990 1,141
Liabilities - Amounts Subject to Right of Setoff, Gross Amounts Offset 1,176 650
Liabilities - Amounts Subject to Right of Setoff, Net Amounts Presented 814 491
Liabilities - Amounts Subject to Right of Setoff, Cash Collateral 52 36
Liabilities - Amounts Subject to Right of Setoff, Net Amounts $ 762 $ 455