DEBT AND FINANCING COSTS - Components of Financing Costs, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Debt Disclosure [Abstract]
Interest expense	$ 90	$ 112
Amortization of debt issuance costs	2	2
Loss on extinguishment of debt	67	0
Interest income	(4)	(2)
Interest income from APA Corporation, net	(15)	(5)
Financing costs, net	$ 140	$ 107