CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 09, 2021	Mar. 31, 2021	Mar. 31, 2022
Revenues and other:
Oil and natural gas derivatives	$ (382)	$ 46	$ (2,125)
Gains on sales of assets	5	4	279
Total revenues and other	260	880	935
Operating expenses:
Severance and ad valorem taxes	18	24	63
General and administrative	21	15	26
Separation and other termination costs	22	0	0
Depreciation, depletion and amortization	72	122	409
Other operating expense (income), net	(12)	2	23
Total operating expenses	494	595	1,729
Income (loss) from operations	(234)	285	(794)
Other income (expense):
Interest expense	(11)	(12)	(32)
Other income	2	22	16
Reorganization items, net	5,569	0	0
Total other income (expense)	5,560	10	(16)
Income (loss) before income taxes	5,326	295	(810)
Income tax benefit	(57)	0	(46)
Net income (loss) available to common stockholders	5,383	295	(764)
Net income (loss), basic and diluted	$ 5,383	$ 295	$ (764)
Earnings (loss) per common share:
Basic (in dollars per share)	$ 550.35	$ 3.01	$ (6.32)
Diluted (in dollars per share)	$ 534.51	$ 2.75	$ (6.32)
Weighted average common shares outstanding (in thousands):
Basic (in shares)	9,781	97,907	120,805
Diluted (in shares)	10,071	107,159	120,805
Oil, natural gas and NGL
Revenues and other:
Revenue	$ 398	$ 553	$ 1,914
Marketing
Revenues and other:
Revenue	239	277	867
Operating expenses:
Expense	237	280	851
Production
Operating expenses:
Expense	32	40	110
Gathering, processing and transportation
Operating expenses:
Expense	102	111	242
Exploration
Operating expenses:
Expense	$ 2	$ 1	$ 5