CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions		Total	TOTAL CHESAPEAKE STOCKHOLDERS’ EQUITY (DEFICIT)	PREFERRED STOCK:	COMMON STOCK:(a)	ADDITIONAL PAID-IN CAPITAL:(a)	ACCUMULATED DEFICIT:	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS):	TREASURY STOCK – COMMON:(a)		NONCONTROLLING INTERESTS:
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2018				$ 1,671	$ 0	$ 14,387	$ (13,912)	$ (23)	$ (31)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued for WildHorse Merger					0	2,037
Stock-based compensation						7
Dividends on preferred stock						(23)
Net loss attributable to Chesapeake		$ (21)					(21)
Hedging activity								10
Purchase of 17,901 and 12,697 shares for company benefit plans	[1]								(6)
Release of 44,126 and 553 shares from company benefit plans	[1]								1
Chesapeake stockholders’ equity, end of period at Mar. 31, 2019			$ 4,097		0	16,408	(13,933)	(13)	(36)	[1]
Stockholders' equity attributable to noncontrolling interest, beginning of period at Dec. 31, 2018											$ 41
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to noncontrolling interests		0									0
Stockholders' equity attributable to noncontrolling interest, end of period at Mar. 31, 2019											41
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total Equity (Deficit)		4,138
Total Equity (Deficit)		4,401
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2019		4,364		$ 1,631	0	16,973	(14,220)	12	(32)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued for WildHorse Merger					0	0
Stock-based compensation						(31)
Dividends on preferred stock						(22)
Net loss attributable to Chesapeake		(8,297)					(8,297)
Hedging activity								9
Purchase of 17,901 and 12,697 shares for company benefit plans	[1]								(2)
Release of 44,126 and 553 shares from company benefit plans	[1]								34
Chesapeake stockholders’ equity, end of period at Mar. 31, 2020		(3,945)	$ (3,945)		$ 0	$ 16,920	$ (22,517)	$ 21	$ 0	[1]
Stockholders' equity attributable to noncontrolling interest, beginning of period at Dec. 31, 2019		37									37
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to noncontrolling interests		16									(16)
Stockholders' equity attributable to noncontrolling interest, end of period at Mar. 31, 2020		21									$ 21
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total Equity (Deficit)		$ (3,924)

[1] Amounts and shares have been retroactively adjusted to reflect a 1-for-200 (1:200) reverse stock split effective April 14, 2020. See Note 17 for additional information.