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Derivatives and Risk Management Activities - Offsetting Asset and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Derivative Assets    
Effect of Collateral Netting $ (36) $ (168)
Commodity Derivatives    
Derivative Assets    
Effect of Collateral Netting (36) (168)
Derivative Liabilities    
Gross Position - Asset 134 311
Gross Position - Liability (90) (89)
Net Carrying Value Presented on the Balance Sheet, Total 8 54
Other current assets | Commodity Derivatives    
Derivative Assets    
Gross Position - Asset 120 300
Gross Position - Liability (33) (71)
Effect of Collateral Netting (36) (168)
Net Carrying Value Presented on the Balance Sheet 51 61
Other long-term assets, net | Commodity Derivatives    
Derivative Assets    
Gross Position - Asset 6 9
Gross Position - Liability   (5)
Net Carrying Value Presented on the Balance Sheet 6 4
Other current liabilities | Commodity Derivatives    
Derivative Liabilities    
Gross Position - Asset 7 2
Gross Position - Liability (52) (13)
Net Carrying Value Presented on the Balance Sheet (45) (11)
Other long-term liabilities and deferred credits | Commodity Derivatives    
Derivative Liabilities    
Gross Position - Asset 1  
Gross Position - Liability (5)  
Net Carrying Value Presented on the Balance Sheet $ (4) $ 0