CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 692	$ 240	$ 1,387	$ 967
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAX:
Unrealized gain on derivative instruments, net of income tax expense of $0, $1, $3 and $1	0	2	3	2
Reclassification of loss on settled derivative instruments, net of income tax expense of $2, $1, $12 and $8	3	2	13	13
Unrealized loss on investments, net of income tax benefit of $0, ($1), $0 and ($4)	0	(1)	0	(6)
Reclassification of (gain) loss on investment, net of income tax expense (benefit) of $0, ($1), ($3) and $3	0	(2)	(5)	4
Other Comprehensive Income	3	1	11	13
COMPREHENSIVE INCOME	695	241	1,398	980
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(30)	(38)	(110)	(127)
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	$ 665	$ 203	$ 1,288	$ 853