CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)		$ (16)	$ 495	$ 278	$ 636
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]	7	7	17	17
Other Comprehensive Income		7	7	17	21
COMPREHENSIVE INCOME (LOSS)		(9)	502	295	657
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS		(1)	(1)	(2)	(2)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE		$ (10)	$ 501	$ 293	$ 655

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