INCOME TAXES - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current provision (benefit) for income taxes:
Federal	$ 6	$ (78)	$ (126)
State	3	2	9
Current income tax expense (benefit)	9	(76)	(117)
Deferred provision (benefit) for income taxes:
Federal	868	(93)	(584)
State	36	(4)	(19)
Deferred income tax expense (benefit)	904	(97)	(603)
Provision (benefit) for income taxes	$ 913	$ (173)	$ (720)