CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 294	$ 141
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAX:
Unrealized gains on derivative instruments, net of income tax expense of $0 and $0	0	4
Reclassification of losses on settled derivative instruments, net of income tax expense of $0 and $0	10	10
Other Comprehensive Income	10	14
COMPREHENSIVE INCOME	304	155
Net income attributable to noncontrolling interests	(1)	(1)
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	$ 303	$ 154