CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Revenues and other:
Natural gas and oil derivatives	$ (382)	$ (1,127)	$ 1,728	$ (2,680)
Gains on sales of assets	5	12	946	300
Total revenues and other	260	5,549	8,721	11,743
Operating expenses:
Production	32	297	356	475
Gathering, processing and transportation	102	780	853	1,059
Severance and ad valorem taxes	18	158	167	242
Exploration	2	7	27	23
General and administrative	21	97	127	142
Separation and other termination costs	22	11	5	5
Depreciation, depletion and amortization	72	919	1,527	1,753
Impairments	0	1	0	0
Other operating expense (income), net	(12)	84	18	49
Total operating expenses	494	4,611	5,579	7,963
Income (loss) from operations	(234)	938	3,142	3,780
Other income (expense):
Interest expense	(11)	(73)	(104)	(160)
Losses on purchases, exchanges or extinguishments of debt	0	0	0	(5)
Other income	2	31	79	36
Reorganization items, net	5,569	0	0	0
Total other income (expense)	5,560	(42)	(25)	(129)
Income before income taxes	5,326	896	3,117	3,651
Income tax expense (benefit)	(57)	(49)	698	(1,285)
Net income	5,383	945	2,419	4,936
Deemed dividend on warrants	0	0	0	(67)
Net income available to common stockholders, Basic	5,383	945	2,419	4,869
Net income available to common stockholders, Diluted	$ 5,383	$ 945	$ 2,419	$ 4,869
Earnings per common share:
Basic (in dollars per share)	$ 550.35	$ 9.29	$ 18.21	$ 38.71
Diluted (in dollars per share)	$ 534.51	$ 8.12	$ 16.92	$ 33.36
Weighted average common shares outstanding (in thousands):
Basic (in shares)	9,781	101,754	132,840	125,785
Diluted (in shares)	10,071	116,341	142,976	145,961
Natural gas, oil and NGL
Revenues and other:
Revenues	$ 398	$ 4,401	$ 3,547	$ 9,892
Marketing
Revenues and other:
Revenues	239	2,263	2,500	4,231
Operating expenses:
Marketing	$ 237	$ 2,257	$ 2,499	$ 4,215