Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 1,353	$ 2,676	$ 4,189	$ 7,384
Natural gas
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	481	1,644	1,739	4,223
Oil
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	684	755	1,925	2,330
NGL
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	170	259	476	784
Other
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 18	$ 18	$ 49	$ 47