STATEMENT OF CONSOLIDATED CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Stock	Paid-In Capital	Retained Earnings (Accumulated Deficit)	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	APACHE SHAREHOLDERS’ EQUITY	Noncontrolling Interest
Beginning Balance at Dec. 31, 2014	$ 20,541	$ 256	$ 12,590	$ 8,655	$ (2,890)	$ (116)	$ 18,495	$ 2,046
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(10,667)			(10,352)			(10,352)	(315)
Distributions to noncontrolling interest	(129)							(129)
Pension & Postretirement benefit plans, net of tax	(3)					(3)	(3)
Common dividends ($1.00 per share)	(378)		(95)	(283)			(378)
Common stock activity, net	(14)	1	(15)				(14)
Treasury stock activity, net	0		(1)		1
Compensation expense	140		140				140
Ending Balance at Dec. 31, 2015	9,490	257	12,619	(1,980)	(2,889)	(119)	7,888	1,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,273)			(1,405)			(1,405)	132
Distributions to noncontrolling interest	(293)							(293)
Pension & Postretirement benefit plans, net of tax	7					7	7
Common dividends ($1.00 per share)	(379)		(379)				(379)
Common stock activity, net	(38)	1	(39)				(38)
Treasury stock activity, net	1		(1)		2		1
Compensation expense	164		164				164
Ending Balance at Dec. 31, 2016	7,679	258	12,364	(3,385)	(2,887)	(112)	6,238	1,441
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,503			1,304			1,304	199
Distributions to noncontrolling interest	(265)							(265)
Pension & Postretirement benefit plans, net of tax	7					7	7
Common dividends ($1.00 per share)	(381)		(381)				(381)
Common stock activity, net	(39)	1	(40)				(39)
Compensation expense	174		174				174
Other	113		11	(7)		109	113
Ending Balance at Dec. 31, 2017	$ 8,791	$ 259	$ 12,128	$ (2,088)	$ (2,887)	$ 4	$ 7,416	$ 1,375