CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
NET INCOME (LOSS)	$ 495	$ (1,776)	$ 636	$ (2,844)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF INCOME TAX:
Unrealized gains (losses) on derivative instruments, net of income tax expense (benefit) of $0, $2, $0 and ($1)	0	(15)	4	(19)
Reclassification of losses on settled derivative instruments, net of income tax expense (benefit) of $0, ($4), $0 and $3	7	10	17	14
Other Comprehensive Income (Loss)	7	(5)	21	(5)
COMPREHENSIVE INCOME (LOSS)	502	(1,781)	657	(2,849)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(1)	0	(2)	0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	$ 501	$ (1,781)	$ 655	$ (2,849)