INCOME TAXES - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current (expense) benefit	$ 0	$ 40	$ (1)
Deferred (expense) benefit	5	(11)	14
Total	$ 5	$ 29	$ 13