Derivative and Hedging Activities - Schedule of Effect of Derivative Instruments, Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Short-term derivative asset	$ 361	$ 637
Long-term derivative assets	19	74
Short-term derivative liabilities	(7)	(3)
Long-term derivative liabilities	(3)	(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)	370	699
Derivative asset (liability) fair value, net asset (liability), netted	0	0
Short-term derivative asset	328	625
Long-term derivative assets	19	74
Short-term derivative liabilities	(7)	(3)
Long-term derivative liabilities	(3)	(9)
Total derivatives	370	699
Not Designated as Hedging Instrument \| Commodity Contract \| Short-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	360	661
Derivative asset, fair value, gross liability, netted	(32)	(36)
Not Designated as Hedging Instrument \| Commodity Contract \| Long-term derivative asset
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	33	101
Derivative asset, fair value, gross liability, netted	(14)	(27)
Not Designated as Hedging Instrument \| Commodity Contract \| Short-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(39)	(39)
Derivative liability, fair value, gross asset, netted	32	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	$ 14	$ 27

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Derivative, Fair Value, Gross Asset (Liability)

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