CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (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]	Treasury Stock - Common [Member]	Parent [Member]	Noncontrolling Interest [Member]
Stockholders' Equity Attributable to Noncontrolling Interest, Period Start at Dec. 31, 2013									$ 2,145
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2013				12,446	688	(162)	(46)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				5
Exercise of stock options				5
Dividends on common stock				0	(58)
Dividends on preferred stock	(43)			0	(43)
Increase (decrease) in tax benefit from stock-based compensation				3
Net income (loss) attributable to Chesapeake	425				425
Hedging activity						14
Investment activity						(5)
Purchase of 12,401 and 10,156 shares for company benefit plans							0
Release of 41,046 and 26,007 shares from company benefit plans							0
Net income attributable to noncontrolling interests	41								41
Distributions to noncontrolling interest owners									(50)
TOTAL EQUITY	18,477
Stockholders' Equity Attributable to Noncontrolling Interest, Period End at Mar. 31, 2014									2,136
Chesapeake stockholders’ equity, end of period at Mar. 31, 2014		3,062	7	12,459	1,012	(153)	(46)	16,341
Stockholders' Equity Attributable to Noncontrolling Interest, Period Start at Dec. 31, 2014	1,302								1,302
Chesapeake stockholders’ equity, beginning of period at Dec. 31, 2014	16,903			12,531	1,483	(143)	(37)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation				12
Exercise of stock options				0
Dividends on common stock				(59)	0
Dividends on preferred stock	(43)			(43)	0
Increase (decrease) in tax benefit from stock-based compensation				(5)
Net income (loss) attributable to Chesapeake	(3,739)				(3,739)
Hedging activity						9
Investment activity						0
Purchase of 12,401 and 10,156 shares for company benefit plans							0
Release of 41,046 and 26,007 shares from company benefit plans							0
Net income attributable to noncontrolling interests	19								19
Distributions to noncontrolling interest owners									(26)
TOTAL EQUITY	14,373
Stockholders' Equity Attributable to Noncontrolling Interest, Period End at Mar. 31, 2015	1,295								1,295
Chesapeake stockholders’ equity, end of period at Mar. 31, 2015	$ 13,078	$ 3,062	$ 7	$ 12,436	$ (2,256)	$ (134)	$ (37)	$ 13,078