NET LOSS PER SHARE - Calculation of Basic and Diluted Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net loss	$ (85)	$ (175)	$ (571)	$ (862)
Less: allocation of earnings to participating securities	0	0	0	0
Net loss attributable to common stockholders	(85)	(175)	(571)	(862)
Net loss attributable to common stockholders	$ (85)	$ (175)	$ (571)	$ (862)
Weighted-average common stock outstanding - basic (in shares)	895,108,790	882,356,575	898,999,464	875,055,571
Dilutive effect of stock options and unvested shares (in shares)	0	0	0	0
Weighted-average common shares used to compute diluted loss per share (in shares)	895,108,790	882,356,575	898,999,464	875,055,571
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.09)	$ (0.20)	$ (0.64)	$ (0.99)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.09)	$ (0.20)	$ (0.64)	$ (0.99)