INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
United States	$ (5,406)	$ (6,729)	$ (4,590)
Foreign	(25)	(19)	(98)
Loss before income taxes	$ (5,431)	$ (6,748)	$ (4,688)