Derivative and Hedging Activities - Derivative Instruments in Balance Sheet Table (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Feb. 09, 2021
Derivatives, Fair Value [Line Items]
Short-term derivative assets	$ 4	$ 5	$ 0
Short-term derivative liability	(1,875)	(899)	(398)
Long-term derivative liability	(419)	(249)	$ (90)
Not designated as hedging instrument \| Commodity contract
Derivatives, Fair Value [Line Items]
Derivative asset (liability), fair value, gross asset (liability)	(2,290)	(1,143)
Derivative asset (liability) fair value, net asset (liability), netted	0	0
Short-term derivative assets	4	5
Long-term derivative assets	0
Short-term derivative liability	(1,875)	(899)
Long-term derivative liability	(419)	(249)
Total derivatives	2,290	1,143
Not designated as hedging instrument \| Commodity contract \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	118	56
Derivative asset, fair value, gross liability, netted	(114)	(51)
Not designated as hedging instrument \| Commodity contract \| Long-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	28
Derivative asset, fair value, gross liability, netted	(28)
Not designated as hedging instrument \| Commodity contract \| Short-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(1,989)	(950)
Derivative liability, fair value, gross asset, netted	114	51
Not designated as hedging instrument \| Commodity contract \| Long-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(447)	(249)
Derivative liability, fair value, gross asset, netted	$ 28	$ 0

Derivative Asset (Liability), Fair Value, Gross Asset (Liability)

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Derivative, Fair Value, Gross Asset (Liability)

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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