DEBT AND FINANCING COSTS - Components of Financing Costs, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Debt Disclosure [Abstract]
Interest expense	$ 75	$ 110	$ 165	$ 222
Amortization of debt issuance costs	4	3	6	5
Capitalized interest	(1)	0	(1)	0
(Gain) loss on extinguishment of debt	0	(1)	67	(1)
Interest income	(1)	(3)	(5)	(5)
Interest income from APA Corporation, net	(15)	(15)	(30)	(20)
Financing costs, net	$ 62	$ 94	$ 202	$ 201