STATEMENT OF CONSOLIDATED OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES AND OTHER:
Derivative instrument gains (losses), net	$ 94	$ (223)	$ (35)
Gain on divestitures, net	67	32	43
Loss on previously sold Gulf of Mexico properties	(446)	0	0
Other, net	228	64	54
Total revenues and other	7,928	4,308	6,553
OPERATING EXPENSES:
Lease operating expenses	1,241	1,127	1,447
Taxes other than income	204	123	207
Exploration	127	274	805
General and administrative	357	290	406
Transaction, reorganization, and separation	22	54	50
Depreciation, depletion, and amortization	1,360	1,772	2,680
Asset retirement obligation accretion	113	109	107
Impairments	208	4,501	2,949
Financing costs, net	472	267	462
Total operating expenses	5,948	9,148	9,561
NET INCOME (LOSS) BEFORE INCOME TAXES	1,980	(4,840)	(3,008)
Current income tax provision	652	176	660
Deferred income tax provision (benefit)	(74)	(112)	14
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTERESTS	1,402	(4,904)	(3,682)
Net income attributable to Altus Preferred Unit limited partners	162	76	38
NET INCOME (LOSS) ATTRIBUTABLE TO APA CORPORATION	1,062	(4,860)	(3,553)
Noncontrolling Interest, Egypt
OPERATING EXPENSES:
Net income (loss) attributable to nonredeemable noncontrolling interest	174	(121)	167
Noncontrolling Interest, Altus
OPERATING EXPENSES:
Net income (loss) attributable to nonredeemable noncontrolling interest	4	1	(334)
Oil and gas, excluding purchased
REVENUES AND OTHER:
Oil, natural gas, and natural gas liquids production revenues	6,498	4,037	6,315
OPERATING EXPENSES:
Cost of oil and gas purchased	264	274	306
Oil and gas, purchased
REVENUES AND OTHER:
Oil and gas production revenues	1,487	398	176
OPERATING EXPENSES:
Cost of oil and gas purchased	1,580	357	142
Oil and gas
REVENUES AND OTHER:
Total revenues	$ 7,985	$ 4,435	$ 6,491