Asset Retirement Obligations - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Asset Retirement Obligations [Line Items]
Revisions of estimated liabilities	$ 148	$ 92
Fair value of sinking fund deposits legally restricted for purposes of settling asset retirement obligations	294	$ 261
West Delta Field in the Gulf of Mexico
Asset Retirement Obligations [Line Items]
Revisions of estimated liabilities	$ 82