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 of period 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
End of period at Mar. 31, 2022	5,383	$ 1	5,615	(233)
Beginning balance (in shares) at Dec. 31, 2021		117,917,349
Beginning of period at Dec. 31, 2021	5,671	$ 1	4,845	825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	473
Ending balance (in shares) at Jun. 30, 2022		121,590,256
End of period at Jun. 30, 2022	5,808	$ 1	5,619	188
Beginning balance (in shares) at Dec. 31, 2021		117,917,349
Beginning of period 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)	(13,904,000)
Repurchase and retirement of common stock	$ (1,248)
Ending balance (in shares) at Jun. 30, 2023		132,684,741
End of period at Jun. 30, 2023	10,396	$ 1	5,726	4,669
Beginning balance (in shares) at Mar. 31, 2022		127,052,372
Beginning of period 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
End of period at Jun. 30, 2022	5,808	$ 1	5,619	188
Beginning balance (in shares) at Dec. 31, 2022		134,715,094
Beginning of period 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
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
End of period at Mar. 31, 2023	10,283	$ 1	5,729	4,553
Beginning balance (in shares) at Dec. 31, 2022		134,715,094
Beginning of period 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)		5,532
Net income (loss)	1,780
Ending balance (in shares) at Jun. 30, 2023		132,684,741
End of period at Jun. 30, 2023	10,396	$ 1	5,726	4,669
Beginning balance (in shares) at Mar. 31, 2023		134,019,253
Beginning of period 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
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
End of period at Jun. 30, 2023	$ 10,396	$ 1	$ 5,726	$ 4,669