Segment Information - Geographical (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Proved properties	$ 17,954	$ 14,949
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Proved properties	17,088	14,152
Equatorial Guinea
Revenues from External Customers and Long-Lived Assets [Line Items]
Proved properties	$ 866	$ 797