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Derivative Financial Instruments, Investments and Fair Value Measurements - Schedule of Offsetting Assets and Liabilities (Details) - Commodity derivatives - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Current Assets    
Derivative Assets    
Commodity derivatives $ 13 $ 5
Less: Counterparty netting 0 (5)
Total net fair value of derivatives 13 0
Current Liabilities    
Derivative Liabilities    
Commodity derivatives 0 (7)
Less: Counterparty netting 0 5
Total net fair value of derivatives $ 0 $ (2)