INCOME TAXES - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 89	$ 116	$ 93
Additions based on tax positions related to prior year	4	0	16
Additions based on tax positions related to the current year	0	0	7
Reductions for tax positions of prior years	(8)	(27)	0
Balance at end of year	$ 85	$ 89	$ 116