Share-Based Compensation - Schedule of Compensation Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 11	$ 8	$ 19	$ 12
Related income tax benefit	3	0	4	0
General and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	8	6	14	9
Natural gas and oil properties
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	2	1	3	2
Production expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 1	$ 1	$ 2	$ 1