CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	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]
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				26
Exercise of stock options				24
Dividends on common stock				0	(175)
Dividends on preferred stock				0	(128)
Decrease in tax benefit from stock-based compensation				(1)
Net income (loss) attributable to Chesapeake	$ 1,277				1,277
Spin-off of oilfield services business	(270)				(270)
Repurchase of preferred shares of CHK Utica	(447)
Hedging activity						16
Investment activity						(5)
Purchase of 37,687 and 24,859 shares for company benefit plans							(1)
Release of 81,104 and 369,432 shares from company benefit plans							9
Chesapeake stockholders’ equity, end of period at Sep. 30, 2014		$ 3,062	$ 7	12,495	945	(151)	(38)	$ 16,320
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning of Period at Dec. 31, 2013									$ 2,145
Increase (Decrease) in Stockholders' Equity [Roll Forward]
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(110)								110
Distributions to noncontrolling interest owners									(137)
Repurchase of noncontrolling interest of CHK C-T									0
Repurchase of preferred shares of CHK Utica									(807)
Stockholders' Equity Attributable to Noncontrolling Interest, End of Period at Sep. 30, 2014									1,311
Increase (Decrease) in Stockholders' Equity [Roll Forward]
TOTAL EQUITY	17,631
TOTAL EQUITY	18,205
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				52
Exercise of stock options				0
Dividends on common stock				(59)	0
Dividends on preferred stock				(128)	0
Decrease in tax benefit from stock-based compensation				(11)
Net income (loss) attributable to Chesapeake	(12,500)				(12,500)
Spin-off of oilfield services business					0
Repurchase of preferred shares of CHK Utica	0
Hedging activity						24
Investment activity						0
Purchase of 37,687 and 24,859 shares for company benefit plans							(1)
Release of 81,104 and 369,432 shares from company benefit plans							2
Chesapeake stockholders’ equity, end of period at Sep. 30, 2015	4,282	$ 3,062	$ 7	$ 12,385	$ (11,017)	$ (119)	$ (36)	$ 4,282
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning of Period at Dec. 31, 2014	1,302								1,302
Increase (Decrease) in Stockholders' Equity [Roll Forward]
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	(50)								50
Distributions to noncontrolling interest owners									(73)
Repurchase of noncontrolling interest of CHK C-T									(1,015)
Repurchase of preferred shares of CHK Utica									0
Stockholders' Equity Attributable to Noncontrolling Interest, End of Period at Sep. 30, 2015	264								$ 264
Increase (Decrease) in Stockholders' Equity [Roll Forward]
TOTAL EQUITY	$ 4,546