Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 1,197	$ 2,638	$ 2,836	$ 4,708
Natural gas
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	436	1,468	1,258	2,579
Oil
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	626	876	1,241	1,575
NGL
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	129	280	306	525
Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 6	$ 14	$ 31	$ 29