Derivative Financial Instruments - Schedule of Derivative Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Liabilities:
Net Fair Value Presented in the Consolidated Balance Sheet	$ 304	$ 538
Derivatives	$ 1	25
Derivatives not designated as hedging instruments \| Marketing derivatives
Assets:
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent
Fair Value	$ 81
Gross Amounts Offset in the Consolidated Balance Sheet	0
Net Fair Value Presented in the Consolidated Balance Sheet	81
Liabilities:
Fair Value	82
Gross Amounts Offset in the Consolidated Balance Sheet	0
Net Fair Value Presented in the Consolidated Balance Sheet	82	52
Derivatives		25
Derivatives not designated as hedging instruments \| Marketing derivatives \| Derivatives - current
Liabilities:
Fair Value		52
Gross Amounts Offset in the Consolidated Balance Sheet		0
Derivatives not designated as hedging instruments \| Marketing derivatives \| Derivatives - noncurrent
Liabilities:
Fair Value		25
Gross Amounts Offset in the Consolidated Balance Sheet		0
Derivatives not designated as hedging instruments \| Commodity price derivatives
Liabilities:
Fair Value		486
Gross Amounts Offset in the Consolidated Balance Sheet		0
Net Fair Value Presented in the Consolidated Balance Sheet	222	$ 486
Derivatives	1
Derivatives not designated as hedging instruments \| Commodity price derivatives \| Derivatives - current
Liabilities:
Fair Value	222
Gross Amounts Offset in the Consolidated Balance Sheet	0
Derivatives not designated as hedging instruments \| Commodity price derivatives \| Derivatives - noncurrent
Liabilities:
Fair Value	1
Gross Amounts Offset in the Consolidated Balance Sheet	$ 0

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