CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)
Beginning balance (in shares) at Dec. 31, 2021		117,917,349
Beginning balance at Dec. 31, 2021	$ 5,671	$ 1	$ 4,845	$ 825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for Marcellus Acquisition (in shares)		9,442,185
Issuance of common stock for Marcellus Acquisition	764		764
Share-based compensation (in shares)		23,169
Share-based compensation	5		5
Issuance of common stock for warrant exercise (in shares)		669,669
Issuance of common stock for warrant exercise	$ 1		1
Repurchase and retirement of common stock (in shares)	(1,000,000)	(1,000,000)
Repurchase and retirement of common stock	$ (83)			(83)
Net income (loss)	(764)			(764)
Dividends on common stock	(211)			(211)
Ending balance (in shares) at Mar. 31, 2022		127,052,372
Ending balance at Mar. 31, 2022	5,383	$ 1	5,615	(233)
Beginning balance (in shares) at Dec. 31, 2021		117,917,349
Beginning balance at Dec. 31, 2021	5,671	$ 1	4,845	825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,356
Ending balance (in shares) at Sep. 30, 2022		121,334,663
Ending balance at Sep. 30, 2022	6,347	$ 1	5,627	719
Beginning balance (in shares) at Dec. 31, 2021		117,917,349
Beginning balance at Dec. 31, 2021	$ 5,671	$ 1	4,845	825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase and retirement of common stock (in shares)	(15,413,000)
Repurchase and retirement of common stock	$ (1,378)
Ending balance (in shares) at Sep. 30, 2023		131,182,918
Ending balance at Sep. 30, 2023	10,268	$ 1	5,735	4,532
Beginning balance (in shares) at Mar. 31, 2022		127,052,372
Beginning balance at Mar. 31, 2022	5,383	$ 1	5,615	(233)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation (in shares)		146,054
Share-based compensation	3		3
Issuance of common stock for warrant exercise (in shares)		166,606
Issuance of common stock for warrant exercise	$ 1		1
Issuance of reserved common stock and warrants (in shares)		36,951
Repurchase and retirement of common stock (in shares)	(5,812,000)	(5,811,727)
Repurchase and retirement of common stock	$ (515)			(515)
Net income (loss)	1,237			1,237
Dividends on common stock	(301)			(301)
Ending balance (in shares) at Jun. 30, 2022		121,590,256
Ending balance at Jun. 30, 2022	5,808	$ 1	5,619	188
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation (in shares)		991
Share-based compensation	7		7
Issuance of common stock for warrant exercise (in shares)		493,016
Issuance of common stock for warrant exercise	$ 1		1
Repurchase and retirement of common stock (in shares)	(750,000)	(749,600)
Repurchase and retirement of common stock	$ (69)			(69)
Net income (loss)	883			883
Dividends on common stock	(283)			(283)
Ending balance (in shares) at Sep. 30, 2022		121,334,663
Ending balance at Sep. 30, 2022	$ 6,347	$ 1	5,627	719
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase and retirement of common stock (in shares)	(4,105,000)
Repurchase and retirement of common stock	$ (406)
Ending balance (in shares) at Dec. 31, 2022		134,715,094
Ending balance at Dec. 31, 2022	9,124	$ 1	5,724	3,399
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation (in shares)		92,048
Share-based compensation	5		5
Issuance of common stock for warrant exercise (in shares)		4,654
Issuance of common stock for warrant exercise	$ 0
Repurchase and retirement of common stock (in shares)	(793,000)	(792,543)
Repurchase and retirement of common stock	$ (60)			(60)
Net income (loss)	1,389			1,389
Dividends on common stock	(175)			(175)
Ending balance (in shares) at Mar. 31, 2023		134,019,253
Ending balance at Mar. 31, 2023	10,283	$ 1	5,729	4,553
Beginning balance (in shares) at Dec. 31, 2022		134,715,094
Beginning balance at Dec. 31, 2022	9,124	$ 1	5,724	3,399
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for warrant exercise (in shares)		7,341
Net income (loss)	1,850
Ending balance (in shares) at Sep. 30, 2023		131,182,918
Ending balance at Sep. 30, 2023	10,268	$ 1	5,735	4,532
Beginning balance (in shares) at Mar. 31, 2023		134,019,253
Beginning balance at Mar. 31, 2023	10,283	$ 1	5,729	4,553
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation (in shares)		109,012
Share-based compensation	7		7
Issuance of common stock for warrant exercise (in shares)		878
Issuance of common stock for warrant exercise	$ 0
Repurchase and retirement of common stock (in shares)	(1,444,000)	(1,444,402)
Repurchase and retirement of common stock	$ (125)		(10)	(115)
Net income (loss)	391			391
Dividends on common stock	(160)			(160)
Ending balance (in shares) at Jun. 30, 2023		132,684,741
Ending balance at Jun. 30, 2023	10,396	$ 1	5,726	4,669
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation (in shares)		5,859
Share-based compensation	10		10
Issuance of common stock for warrant exercise (in shares)		1,809
Issuance of common stock for warrant exercise	$ 0
Repurchase and retirement of common stock (in shares)	(1,509,000)	(1,509,491)
Repurchase and retirement of common stock	$ (131)		(1)	(130)
Net income (loss)	70			70
Dividends on common stock	(77)			(77)
Ending balance (in shares) at Sep. 30, 2023		131,182,918
Ending balance at Sep. 30, 2023	$ 10,268	$ 1	$ 5,735	$ 4,532