STATEMENT OF CONSOLIDATED CHANGES IN EQUITY AND NONCONTROLLING INTEREST (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Paid-In Capital	Accumulated Deficit	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	APACHE SHAREHOLDERS’ EQUITY (DEFICIT)	Noncontrolling Interests	Noncontrolling interests, Egypt	Noncontrolling interests, Altus	Altus Preferred Unit limited partners
Beginning balance at Dec. 31, 2018	$ 8,812	$ 260	$ 12,106	$ (2,048)	$ (3,192)	$ 4	$ 7,130	$ 1,682
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to common stock	(47)			(47)			(47)
Net income (loss) attributable to noncontrolling interest									$ 44	$ 1	$ 0
Distributions to noncontrolling interest - Egypt	(107)							(107)
Common dividends ($0.25 per share)	(94)		(94)				(94)
Other	0	1	(3)		2		0
Ending balance at Mar. 31, 2019	8,609	261	12,009	(2,095)	(3,190)	4	6,989	1,620
Beginning balance at Dec. 31, 2018											0
Ending balance at Mar. 31, 2019											0
Beginning balance at Dec. 31, 2019	4,465	261	11,769	(5,601)	(3,190)	16	3,255	1,210
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to common stock	(4,480)			(4,480)			(4,480)
Net income (loss) attributable to noncontrolling interest									$ (151)	$ (9)	18
Distributions to noncontrolling interest - Egypt	(32)							(32)
Common dividends ($0.25 per share)	(10)		(10)				(10)
Other	(11)	1	(12)		1	(1)	(11)
Ending balance at Mar. 31, 2020	(228)	$ 262	$ 11,747	$ (10,081)	$ (3,189)	$ 15	$ (1,246)	$ 1,018
Beginning balance at Dec. 31, 2019	555										555
Increase (Decrease) In Redeemable Noncontrolling Interest [Roll Forward]
Net income attributable to Altus Preferred Unit limited partners											18
Ending balance at Mar. 31, 2020	$ 573										$ 573