TAXES - Income (loss) before income taxes (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2021
TAXES.
U.S. operations	$ (255)		$ (678)	$ (1,543)	$ (1,765)
Non-U.S. operations	66		510	692	(138)
Income (loss) before income taxes	$ (189)	$ (403)	$ (168)	$ (851)	$ (1,903)