CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (USD $) In Millions, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Accumulated Net Unrealized Investment Gain (Loss) [Member]	Treasury Stock - Common [Member]	Parent [Member]	Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest, Period Start at Dec. 31, 2012											$ 2,327
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2012				12,293	437	(182)			(48)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				156
Reduction in tax benefit from stock-based compensation				(10)
Exercise of stock options				4
Net income attributable to Chesapeake	840				840
Dividends on common stock					(175)
Dividends on preferred stock	(128)				(128)
Spin-off of oilfield services business (Note 2)					0
Redemption of preferred shares of a subsidiary	(69)				(69)
Hedging activity							15
Investment activity								(2)
Purchase of 24,859 and 249,498 shares for company benefit plans									(6)
Release of 369,432 and 151,153 shares from company benefit plans									2
Sales of noncontrolling interests											5
Net income attributable to noncontrolling interests	127										127
Distributions to noncontrolling interest owners											(164)
Redemption of preferred shares of a subsidiary											(143)
Total Equity	18,348
Stockholders' Equity Attributable to Noncontrolling Interest, Period End at Sep. 30, 2013											2,152
Chesapeake stockholders’ equity, end of period at Sep. 30, 2013		3,062	7	12,443	905	(169)			(52)	16,196
Stockholders' Equity Attributable to Noncontrolling Interest, Period Start at Dec. 31, 2013	2,145										2,145
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2013	15,995			12,446	688	(162)			(46)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				26
Reduction in tax benefit from stock-based compensation				(1)
Exercise of stock options				24
Net income attributable to Chesapeake	1,277				1,277
Dividends on common stock					(175)
Dividends on preferred stock	(128)				(128)
Spin-off of oilfield services business (Note 2)					(270)
Redemption of preferred shares of a subsidiary	(447)				(447)
Hedging activity							16
Investment activity								(5)
Purchase of 24,859 and 249,498 shares for company benefit plans									(1)
Release of 369,432 and 151,153 shares from company benefit plans									9
Sales of noncontrolling interests											0
Net income attributable to noncontrolling interests	110										110
Distributions to noncontrolling interest owners											(137)
Redemption of preferred shares of a subsidiary											(807)
Total Equity	17,631
Stockholders' Equity Attributable to Noncontrolling Interest, Period End at Sep. 30, 2014	1,311										1,311
Chesapeake stockholders’ equity, end of period at Sep. 30, 2014	$ 16,320	$ 3,062	$ 7	$ 12,495	$ 945	$ (151)			$ (38)	$ 16,320