NET LOSS PER SHARE - Computation of basic and diluted earnings per share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2023	Dec. 31, 2021	Dec. 31, 2020
NET LOSS PER SHARE
Stock dividends declared	$ 0		$ 0	$ 0	$ 0
Net income (loss) on which basic and diluted earnings per share is calculated	$ (229)	$ (494)	$ (1,374)	$ (2,304)	$ (2,007)
Weighted-average shares outstanding during period
Number of shares on which basic earnings per share is calculated	224.4	224.1	226.7	224.1	224.1
Number of shares on which diluted earnings per share is calculated	224.4	224.1	226.7	224.1	224.1
Basic earnings (loss) per share (in dollars per share)	$ (1.02)	$ (2.20)	$ (6.06)	$ (10.28)	$ (8.96)
Diluted earnings (loss) per share (in dollars per share)	$ (1.02)	$ (2.20)	$ (6.06)	$ (10.28)	$ (8.96)
Shares distributed on separation date			224.1