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Derivative Instruments and Hedging Activities - Summary of Offsetting of Derivatives by Counterparty Master Agreement Level (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Derivatives, Fair Value [Line Items] |  |
Derivative liability, Gross Amounts of Recognized Assets/Liabilities | $ (355) | $ (242)
Derivative assets, Gross Amount of Recognized Assets/Liabilities | 44 | 6
Total derivative instruments, Gross Amounts Recognized Assets/Liabilities | (311) | (236)
Total derivative instruments, Derivative Instruments | 0 | 0
Total derivative instruments, Net Amount | (311) | (236)
Commodity contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liability, Gross Amounts of Recognized Assets/Liabilities | (353) | (179)
Derivative liability, Derivative Instruments | 0 | 0
Derivative liability, Net Amount | (353) | (179)
Total derivative instruments, Gross Amounts Recognized Assets/Liabilities | (353) | (179)
Total derivative instruments, Derivative Instruments | 0 | 0
Total derivative instruments, Net Amount | (353) | (179)
Interest rate contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liability, Gross Amounts of Recognized Assets/Liabilities | (2) | (63)
Derivative liability, Derivative Instruments | 2 | 5
Derivative liability, Net Amount | 0 | (58)
Derivative assets, Gross Amount of Recognized Assets/Liabilities | 44 | 6
Derivative assets, Derivative Instruments | (2) | (5)
Derivative asset, Net Amount | 42 | 1
Total derivative instruments, Gross Amounts Recognized Assets/Liabilities | 42 | (57)
Total derivative instruments, Derivative Instruments | 0 | 0
Total derivative instruments, Net Amount | $ 42 | $ (57)

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