Oil and Natural Gas Property Transactions - Narrative (Details) - USD ($) shares in Millions					1 Months Ended		2 Months Ended	3 Months Ended
	Mar. 09, 2022	Jan. 24, 2022	Nov. 01, 2021	Aug. 10, 2021	Mar. 31, 2022	Feb. 09, 2021	Mar. 31, 2021	Mar. 31, 2022
Business Acquisition [Line Items]
Common stock issued for business combination						$ 0	$ 0	$ 764,000,000
Oil and natural gas derivatives						(382,000,000)	46,000,000	(2,125,000,000)
Costs and expenses						494,000,000	595,000,000	1,729,000,000
Share-based compensation						3,000,000	0	4,000,000
Depreciation, depletion and amortization						72,000,000	122,000,000	409,000,000
Oil, natural gas and NGL
Business Acquisition [Line Items]
Revenue						$ 398,000,000	$ 553,000,000	1,914,000,000
6.75% Senior Notes | Senior Notes
Business Acquisition [Line Items]
Interest rate, stated percentage			6.75%
Debt assumed			$ 950,000,000
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestitures of property and equipment		$ 450,000,000
Gain (loss) on sale of oil and natural gas properties		$ 279,000,000
Marcellus
Business Acquisition [Line Items]
Consideration transferred	$ 2,770,000,000
Cash	$ 2,000,000,000
Shares issued in acquisition (in shares)	9.4
Oil and natural gas derivatives					$ 200,000,000
Costs and expenses					30,000,000
Marcellus | Oil, natural gas and NGL
Business Acquisition [Line Items]
Revenue					$ 59,000,000
Marcellus | Exit credit facility
Business Acquisition [Line Items]
Borrowings	$ 914,000,000
Vine Energy Corporation (Vine)
Business Acquisition [Line Items]
Consideration transferred			1,490,000,000	$ 1,500,000,000
Cash			253,000,000	$ 90,000,000
Oil and natural gas derivatives								507,000,000
Costs and expenses								199,000,000
Common stock issued in the merger (in shares)				18.7
Debt repurchased, principal			163,000,000
Premium paid with cash			13,000,000
Share-based compensation								6,000,000
Depreciation, depletion and amortization								11,000,000
Vine Energy Corporation (Vine) | Oil, natural gas and NGL
Business Acquisition [Line Items]
Revenue								$ 349,000,000
Vine Energy Corporation (Vine) | New RBL
Business Acquisition [Line Items]
Outstanding borrowings			$ 0