Derivative and Hedging Activities - Schedule of Effect of Derivative Instruments, Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Short-term derivative asset	$ 592	$ 637
Long-term derivative assets	46	74
Short-term derivative liabilities	(5)	(3)
Long-term derivative liabilities	(1)	(9)
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Short-term derivative asset	33	12
Not Designated as Hedging Instrument \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	33	12
Derivative asset, fair value, gross liability, netted	0	0
Not Designated as Hedging Instrument \| Commodity Contract
Derivatives, Fair Value [Line Items]
Derivative asset (liability), fair value, gross asset (liability)	632	699
Derivative asset (liability) fair value, net asset (liability), netted	0	0
Short-term derivative asset	559	625
Long-term derivative assets	46	74
Short-term derivative liabilities	(5)	(3)
Long-term derivative liabilities	(1)	(9)
Total derivatives	632	699
Not Designated as Hedging Instrument \| Commodity Contract \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	630	661
Derivative asset, fair value, gross liability, netted	(71)	(36)
Not Designated as Hedging Instrument \| Commodity Contract \| Long-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	62	101
Derivative asset, fair value, gross liability, netted	(16)	(27)
Not Designated as Hedging Instrument \| Commodity Contract \| Short-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(76)	(39)
Derivative liability, fair value, gross asset, netted	71	36
Not Designated as Hedging Instrument \| Commodity Contract \| Long-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(17)	(36)
Derivative liability, fair value, gross asset, netted	$ 16	$ 27

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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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