Stock-Based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 30	$ 31	$ 65	$ 66
Lease and Well
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	10	11	23	25
Gathering and Processing Costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	1	1	2	1
Exploration Costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	5	5	10	11
General and Administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 14	$ 14	$ 30	$ 29