INCOME TAXES - Income from Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
(Loss) Income Before Income Taxes [Abstract]
United States						$ (323)	$ (212)	$ (260)
Foreign						(59)	81	(7)
Income (loss) from continuing operations before income taxes	$ (37)	$ (33)	$ (58)	$ (91)	$ (128)	$ (382)	$ (131)	$ (267)