INCOME TAXES - 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 January 1	$ 34	$ 38	$ 43
Additions based on tax positions related to the current year	2	2	1
Reductions due to lapse of applicable statutes of limitation	(4)	(6)	(6)
Total before interest and penalties at December 31	32	34	38
Interest and penalties	3	3	4
Balance at December 31	$ 35	$ 37	$ 42