Derivative and Hedging Activities - Derivative Instruments in Balance Sheet Table (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Short-term derivative asset	$ 84	$ 637
Long-term derivative asset	1	74
Short-term derivative liability	(71)	(3)
Long-term derivative liability	(68)	(9)
Not designated as hedging instrument
Derivatives, Fair Value [Line Items]
Derivative asset (liability), fair value, gross asset (liability)	(54)	699
Derivative asset (liability) fair value, net asset (liability), netted	0	0
Short-term derivative asset	0	12
Total derivatives	(54)	699
Not designated as hedging instrument \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	0	12
Derivative asset, fair value, gross liability, netted	0	0
Not designated as hedging instrument \| Commodity contracts
Derivatives, Fair Value [Line Items]
Short-term derivative asset	84	625
Long-term derivative asset	1	74
Short-term derivative liability	(71)	(3)
Long-term derivative liability	(68)	(9)
Not designated as hedging instrument \| Commodity contracts \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	191	661
Derivative asset, fair value, gross liability, netted	(107)	(36)
Not designated as hedging instrument \| Commodity contracts \| Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset, fair value, gross asset	6	101
Derivative asset, fair value, gross liability, netted	(5)	(27)
Not designated as hedging instrument \| Commodity contracts \| Short-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(178)	(39)
Derivative liability, fair value, gross asset, netted	107	36
Not designated as hedging instrument \| Commodity contracts \| Long-term derivative liability
Derivatives, Fair Value [Line Items]
Derivative liability, fair value, gross liability	(73)	(36)
Derivative liability, fair value, gross asset, netted	$ 5	$ 27

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