COMMON STOCK AND STOCKHOLDERS' (DEFICIT) EQUITY - Schedule Of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Beginning balance (in shares)	15,226,096
Granted during the period (in shares)	0		0
Exercised during the period (in shares)	(2,443,991)
Expired during the period (in shares)	(179,524)
Forfeited during the period (in shares)	(461,015)
Ending balance (in shares)	12,141,566	15,226,096
Options vested and expected to vest (in shares)	12,141,566
Options exercisable (in shares)	10,667,515
Weighted-Average Exercise Price
Beginning balance (in dollars per share)	$ 4.73
Granted (in dollars per share)	0	$ 14.15
Exercised (in dollars per share)	2.07
Expired (in dollars per share)	13.14
Forfeited (in dollars per share)	14.15
Ending balance (in dollars per share)	4.78	$ 4.73
Options vested and expected to vest (in dollars per share)	4.78
Options exercisable (in dollars per share)	$ 3.50
Weighted- Average Remaining Life
Weighted- Average Remaining Life	3 years 9 months 3 days	4 years 8 months 4 days
Options vested and expected to vest	3 years 9 months 3 days
Options exercisable	3 years 6 months 25 days
Total Intrinsic Value (in millions)
Total Intrinsic Value (in millions)	$ 100	$ 72
Options vested and expected to vest	100
Options exercisable	$ 100