INCOME TAXES - Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Uncertain Tax Positions
Balance at January 1	$ 83	$ 81
Current year tax positions: Additions	17	21
Current year tax positions: Reductions	(2)	(5)
Prior year tax positions: Additions	3	0
Prior year tax positions: Reductions	0	(3)
Lapse of applicable statutes of limitation	(12)	(11)
Settlement with tax authorities	(5)	0
Balance at December 31	84	83
Liability for interest and penalties	13	11
Balance at December 31, including interest and penalties	$ 97	$ 94