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Derivative Assets And Liabilities Table - Fair Value of Derivative Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Total derivatives assets $ 883 $ 272
Total derivatives liabilities (744) (598)
Designated as Hedging Instrument [Member]    
Total derivatives assets 113 46
Total derivatives liabilities (77) (3)
Not Designated as Hedging Instrument [Member]    
Total derivatives assets 770 226
Total derivatives liabilities (667) (595)
Fair Value, Recurring [Member]    
Price Risk Derivative Liabilities, at Fair Value 660 211
Level 1 | Fair Value, Recurring [Member]    
Price Risk Derivative Liabilities, at Fair Value 601 190
Level 2 | Fair Value, Recurring [Member]    
Price Risk Derivative Liabilities, at Fair Value 59 21
Commodity Derivatives [Member] | Not Designated as Hedging Instrument [Member]    
Total derivatives assets 104 53
Total derivatives liabilities (94) (52)
Commodity Derivatives (Margin Deposits) [Member] | Designated as Hedging Instrument [Member]    
Total derivatives assets 113 46
Total derivatives liabilities (77) (3)
Commodity Derivatives (Margin Deposits) [Member] | Not Designated as Hedging Instrument [Member]    
Total derivatives assets 666 173
Total derivatives liabilities (489) (156)
Interest Rate Derivatives [Member] | Not Designated as Hedging Instrument [Member]    
Total derivatives assets 0 0
Total derivatives liabilities $ (84) $ (387)