Impairment and Other (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Asset Impairment Charges Line Items [Line Items]
Impairment and other	$ 0	$ 82	$ 0	$ 82
West Delta Field in the Gulf of Mexico
Asset Impairment Charges Line Items [Line Items]
Impairment and other				82
Impairment and other, after tax				$ 82