Impairments - Schedule of Impaired Assets (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Proved properties, impairment		$ 0	$ 30	$ 49
Asset retirement costs of long-lived assets, impairment		7	30	0
Goodwill, impairment loss	$ 95	0	0	95
Equity method investment, impairment		0	0	171
Fair Value
Impaired Long-Lived Assets Held and Used [Line Items]
Proved properties		0	0	0
Asset retirement costs of long-lived assets		0	0	0
Goodwill		0	0	0
Equity method investment		$ 0	$ 0	$ 119