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, 2020	Dec. 31, 2019
Revenues and other:
Oil and natural gas derivatives	$ (382)	$ (1,127)	$ 596	$ 5
Gains on sales of assets	5	12	30	43
Total revenues and other	260	5,549	5,240	8,532
Operating expenses:
Severance and ad valorem taxes	18	158	149	224
General and administrative	21	97	267	315
Separation and other termination costs	22	11	44	12
Depreciation, depletion and amortization	72	919	1,097	2,264
Impairments	0	1	8,535	11
Other operating expense (income), net	(12)	84	80	48
Total operating expenses	494	4,611	13,943	8,563
Income (loss) from operations	(234)	938	(8,703)	(31)
Other income (expense):
Interest expense	(11)	(73)	(331)	(651)
Gains on purchases or exchanges of debt	0	0	65	75
Other income (expense)	2	31	(4)	(32)
Reorganization items, net	5,569	0	(796)	0
Total other income (expense)	5,560	(42)	(1,066)	(608)
Income (loss) before income taxes	5,326	896	(9,769)	(639)
Income tax benefit	(57)	(49)	(19)	(331)
Net income (loss)	5,383	945	(9,750)	(308)
Net loss attributable to noncontrolling interests	0	0	16	0
Net income (loss) attributable to Chesapeake	5,383	945	(9,734)	(308)
Preferred stock dividends	0	0	(22)	(91)
Loss on exchange of preferred stock	0	0	0	(17)
Net income (loss) available to common stockholders	$ 5,383	$ 945	$ (9,756)	$ (416)
Earnings (loss) per common share:
Basic (in usd per share)	$ 550.35	$ 9.29	$ (998.26)	$ (49.97)
Diluted (in usd per share)	$ 534.51	$ 8.12	$ (998.26)	$ (49.97)
Weighted average common shares outstanding (in thousands):
Basic (in shares)	9,781	101,754	9,773	8,325
Diluted (in shares)	10,071	116,341	9,773	8,325
Oil, Natural Gas and NGL
Revenues and other:
Revenues	$ 398	$ 4,401	$ 2,745	$ 4,517
Marketing
Revenues and other:
Revenues	239	2,263	1,869	3,967
Operating expenses:
Cost of goods and services	237	2,257	1,889	4,003
Product
Operating expenses:
Cost of goods and services	32	297	373	520
Service
Operating expenses:
Cost of goods and services	102	780	1,082	1,082
Exploration
Operating expenses:
Cost of goods and services	$ 2	$ 7	$ 427	$ 84