INCOME TAXES - Components of Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 0	$ 0	$ 3
State	1	5	4
Foreign	0	0	0
Total current tax expense (benefit)	1	5	7
Deferred:
Federal	0	(1)	0
State	0	(2)	0
Foreign	0	0	(1)
Total deferred tax expense (benefit)	0	(3)	(1)
Provision for income taxes	$ 1	$ 2	$ 6