CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	[2]
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)		$ (21)	$ 18	[1]
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAX:
Unrealized gains on derivative instruments	[3]	0	0
Reclassification of losses on settled derivative instruments		10	10	[3]
Other Comprehensive Income		10	10
COMPREHENSIVE INCOME (LOSS)		(11)	28
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS		0	(1)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE		$ (11)	$ 27

[1] Financial information for 2018 has been recast to reflect the retrospective application of the successful efforts method of accounting. See Note 1.

[2] Financial information for 2018 has been recast to reflect the retrospective application of the successful efforts method of accounting. See Note 1.

[3] Deferred tax activity incurred in other comprehensive income was offset by a valuation allowance.