CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)		$ 85	$ (17)	$ 363	$ 619
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAX:
Unrealized gains on derivative instruments	[1]	0	0	0	4
Reclassification of losses on settled derivative instruments	[1]	8	8	25	25
Other Comprehensive Income		8	8	25	29
COMPREHENSIVE INCOME (LOSS)		93	(9)	388	648
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS		(1)	(1)	(3)	(3)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE		$ 92	$ (10)	$ 385	$ 645

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