CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Class A Warrants	Class B Warrants	Class C Warrants	Preferred Stock	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Class A Warrants	Additional Paid-in Capital Class B Warrants	Additional Paid-in Capital Class C Warrants	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income
Beginning balance (in shares) at Dec. 31, 2020					5,563,358	9,780,547
Beginning balance at Dec. 31, 2020	$ (5,341)				$ 1,631	$ 0	$ 16,937				$ (23,954)	$ 45
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for Marcellus Acquisition	0
Share-based compensation (in shares)						67
Share-based compensation	3						3
Issuance of common stock for warrant exercise		$ 93	$ 94	$ 68				$ 93	$ 94	$ 68
Hedging activity	3											3
Net income (loss) attributable to Chesapeake	5,383										5,383
Cancellation of Predecessor Equity (in shares)					(5,563,358)	(9,780,614)
Cancellation of Predecessor equity	(48)				$ (1,631)		(16,940)				18,571	(48)
Issuance of Successor common stock (in shares)						97,907,081
Issuance of Successor common stock	3,331					$ 1	3,330
Ending balance (in shares) at Feb. 09, 2021					0	97,907,081
Ending balance at Feb. 09, 2021	3,586				$ 0	$ 1	3,585				0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for Marcellus Acquisition	0
Hedging activity	0
Net income (loss) attributable to Chesapeake	295
Ending balance (in shares) at Mar. 31, 2021					0	97,907,081
Ending balance at Mar. 31, 2021	3,881				$ 0	$ 1	3,585				295	0
Beginning balance (in shares) at Feb. 09, 2021					0	97,907,081
Beginning balance at Feb. 09, 2021	3,586				$ 0	$ 1	3,585				0	0
Ending balance (in shares) at Mar. 31, 2022					0	127,052,372
Ending balance at Mar. 31, 2022	5,383				$ 0	$ 1	5,615				(233)	0
Beginning balance (in shares) at Dec. 31, 2021					0	117,917,349
Beginning balance at Dec. 31, 2021	5,671				$ 0	$ 1	4,845				825	0
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)
Repurchase and retirement of common stock	(83)										(83)
Hedging activity	0
Net income (loss) attributable to Chesapeake	(764)											0
Dividends on common stock	(211)										(211)
Ending balance (in shares) at Mar. 31, 2022					0	127,052,372
Ending balance at Mar. 31, 2022	$ 5,383				$ 0	$ 1	$ 5,615				$ (233)	$ 0