Income Taxes - Schedule of Deferred Income Tax Assets (Liabilities), Net (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Income Tax Assets (Liabilities)
Foreign Oil and Gas Exploration and Development Costs Deducted for Tax Under Book Depreciation, Depletion and Amortization	$ (56)	$ (26)
Foreign Asset Retirement Obligations	89	84
Foreign Accrued Expenses and Liabilities	10	12
Foreign Net Operating Loss	127	97
Foreign Valuation Allowances	(131)	(126)
Foreign Other	0	1
Total Net Deferred Income Tax Assets	39	42
Deferred Income Tax (Assets) Liabilities
Oil and Gas Exploration and Development Costs Deducted for Tax Over Book Depreciation, Depletion and Amortization	6,040	5,778
Deferred Compensation Plans	(65)	(61)
Equity Awards	(65)	(59)
Corporate Alternative Minimum Tax	0	(212)
Other	(44)	(44)
Total Net Deferred Income Tax Liabilities	5,866	5,402
Total Net Deferred Income Tax Liabilities	$ 5,827	$ 5,360