Derivative and Hedging Activities - Derivative Instruments in Balance Sheet Table (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Feb. 09, 2021
Derivatives, Fair Value [Line Items]
Short-term derivative asset	$ 637	$ 34	$ 0
Long-term derivative asset	74	47
Short-term derivative liability	(3)	(432)	(398)
Long-term derivative liability	(9)	(174)	$ (90)
Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Short-term derivative asset	12
Not designated as hedging instrument \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	12
Derivative asset, fair value, gross liability, netted	0
Not designated as hedging instrument \| Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative asset (liability), fair value, gross asset (liability)	699	(525)
Derivative asset (liability) fair value, net asset (liability), netted	0	0
Short-term derivative asset	625	34
Long-term derivative asset	74	47
Short-term derivative liability	(3)	(432)
Long-term derivative liability	(9)	(174)
Total derivatives	(699)	525
Not designated as hedging instrument \| Commodity contracts \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	661	200
Derivative asset, fair value, gross liability, netted	(36)	(166)
Not designated as hedging instrument \| Commodity contracts \| Long-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	101	87
Derivative asset, fair value, gross liability, netted	(27)	(40)
Not designated as hedging instrument \| Commodity contracts \| Short-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(39)	(598)
Derivative liability, fair value, gross asset, netted	36	166
Not designated as hedging instrument \| Commodity contracts \| Long-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(36)	(214)
Derivative liability, fair value, gross asset, netted	$ 27	$ 40

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

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Derivative, Fair Value, Gross Asset (Liability)

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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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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