STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
REVENUES AND OTHER:
Production revenues from customers	$ 0		$ 0	$ 0
Derivative instrument gains (losses), net	(113,000,000)	$ (175,000,000)	45,000,000	(278,000,000)
Gain on divestitures, net	65,000,000	0	67,000,000	25,000,000
Other, net	74,000,000	19,000,000	135,000,000	32,000,000
Total revenues and other	1,782,000,000	596,000,000	3,874,000,000	1,875,000,000
OPERATING EXPENSES:
Lease operating expenses	311,000,000	264,000,000	575,000,000	599,000,000
Taxes other than income	51,000,000	23,000,000	95,000,000	56,000,000
Exploration	19,000,000	72,000,000	65,000,000	129,000,000
General and administrative	79,000,000	94,000,000	162,000,000	162,000,000
Transaction, reorganization, and separation	4,000,000	10,000,000	4,000,000	37,000,000
Depreciation, depletion, and amortization	351,000,000	418,000,000	693,000,000	984,000,000
Asset retirement obligation accretion	28,000,000	27,000,000	56,000,000	54,000,000
Impairments	0	20,000,000	0	4,492,000,000
Financing costs, net	94,000,000	(34,000,000)	201,000,000	69,000,000
Total operating expenses	1,260,000,000	1,012,000,000	2,726,000,000	6,857,000,000
NET INCOME (LOSS) BEFORE INCOME TAXES	522,000,000	(416,000,000)	1,148,000,000	(4,982,000,000)
Current income tax provision (benefit)	131,000,000	(27,000,000)	280,000,000	62,000,000
Deferred income tax benefit	(40,000,000)	(11,000,000)	(22,000,000)	(44,000,000)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTERESTS	431,000,000	(378,000,000)	890,000,000	(5,000,000,000)
NET INCOME (LOSS) ATTRIBUTABLE TO APA CORPORATION	339,000,000	(386,000,000)	736,000,000	(4,866,000,000)
Altus Preferred Unit limited partners
OPERATING EXPENSES:
Net income (loss) attributable to noncontrolling interest	24,000,000	19,000,000	43,000,000	37,000,000
Noncontrolling interests, Egypt
OPERATING EXPENSES:
Net income (loss) attributable to noncontrolling interest	41,000,000	(11,000,000)	83,000,000	(162,000,000)
Noncontrolling interests, Altus
OPERATING EXPENSES:
Net income (loss) attributable to noncontrolling interest	27,000,000	0	28,000,000	(9,000,000)
Oil and gas
REVENUES AND OTHER:
Total revenues	1,756,000,000	752,000,000	3,627,000,000	2,096,000,000
Oil and gas, excluding purchased
REVENUES AND OTHER:
Oil, natural gas, and natural gas liquids production revenues	1,514,000,000	697,000,000	2,945,000,000	1,933,000,000
Production revenues from customers	1,407,000,000	715,000,000	2,732,000,000	1,903,000,000
OPERATING EXPENSES:
Cost of goods and services sold	61,000,000	72,000,000	119,000,000	143,000,000
Oil and gas, purchased
REVENUES AND OTHER:
Production revenues from customers	242,000,000	55,000,000	682,000,000	163,000,000
OPERATING EXPENSES:
Cost of goods and services sold	$ 262,000,000	$ 46,000,000	$ 756,000,000	$ 132,000,000