CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Feb. 09, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2022
Revenues and other:
Natural gas and oil derivatives	$ (382)	$ (1,029)	$ (910)	$ (1,604)	$ (3,668)
Gains (losses) on sales of assets	5	(2)	3	9	298
Total revenues and other	260	3,162	890	2,463	7,617
Operating expenses:
Production	32	121	80	194	349
Gathering, processing and transportation	102	286	219	541	802
Severance and ad valorem taxes	18	67	41	106	187
Exploration	2	2	2	4	14
General and administrative	21	40	30	69	102
Separation and other termination costs	22			11	0
Depreciation, depletion and amortization	72	440	228	579	1,300
Impairments	0			1	0
Other operating expense, net	(12)	1	3	1	32
Total operating expenses	494	2,157	1,228	2,946	6,065
Income (loss) from operations	(234)	1,005	(338)	(483)	1,552
Other income (expense):
Interest expense	(11)	(52)	(17)	(47)	(120)
Other income	2	4	0	31	29
Reorganization items, net	5,569			0	0
Total other income (expense), net	5,560	(48)	(17)	(16)	(91)
Income (loss) before income taxes	5,326	957	(355)	(499)	1,461
Income tax expense (benefit)	(57)	74	(10)	(10)	105
Net income (loss) attributable to Chesapeake	5,383	883	(345)	(489)	1,356
Net income (loss) attributable to Chesapeake	$ 5,383	$ 883	$ (345)	$ (489)	$ 1,356
Earnings (loss) per common share:
Basic (in dollars per share)	$ 550.35	$ 7.29	$ (3.51)	$ (4.99)	$ 11.03
Diluted (in dollars per share)	$ 534.51	$ 6.12	$ (3.51)	$ (4.99)	$ 9.35
Weighted average common shares outstanding (in thousands):
Basic (in shares)	9,781	121,150	98,221	98,040	122,924
Diluted (in shares)	10,071	144,390	98,221	98,040	145,031
Natural gas, oil and NGL
Revenues and other:
Revenue	$ 398	$ 2,987	$ 1,170	$ 2,615	$ 7,691
Marketing
Revenues and other:
Revenue	239	1,206	627	1,443	3,296
Operating expenses:
Expense	$ 237	$ 1,200	$ 625	$ 1,440	$ 3,279