STATEMENT OF CONSOLIDATED COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income (loss) including noncontrolling interests	$ 1,402	$ (4,904)	$ (3,682)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Pension and postretirement benefit plan	7	(2)	13
Share of equity method interests other comprehensive income (loss)	1	0	(1)
COMPREHENSIVE INCOME (LOSS) INCLUDING NONCONTROLLING INTERESTS	1,410	(4,906)	(3,670)
Comprehensive income attributable to Altus Preferred Unit limited partners	162	76	38
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO APA CORPORATION	1,070	(4,862)	(3,541)
Noncontrolling Interest, Egypt
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Comprehensive income (loss), net of tax, attributable to nonredeemable noncontrolling interest	174	(121)	167
Noncontrolling Interest, Altus
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Comprehensive income (loss), net of tax, attributable to nonredeemable noncontrolling interest	$ 4	$ 1	$ (334)