CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ (3,720)	$ 466
OTHER COMPREHENSIVE INCOME (LOSS), NET OF INCOME TAX:
Unrealized gains (losses) on derivative instruments, net of income tax expense (benefit) of ($1) and $1	(1)	3
Reclassification of (gains) losses on settled derivative instruments, net of income tax expense (benefit) of $7 and $7	10	11
Reclassification of (gains) losses on investment, net of income tax expense (benefit) of $0 and ($3)	0	(5)
Other Comprehensive Income (Loss)	9	9
COMPREHENSIVE INCOME (LOSS)	(3,711)	475
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(19)	(41)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	$ (3,730)	$ 434