SHARE-BASED AWARDS - Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares
Number of Options (in thousands)
Beginning balance (in shares) | shares	14,546
Granted (in shares) | shares	0
Exercised (in shares) | shares	(2,892)
Forfeited (in shares) | shares	(344)
Expired (in shares) | shares	(227)
Ending balance (in shares) | shares	11,083	14,546
Exercisable (in shares) | shares	10,824
Weighted- Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 2.12
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	1.36
Forfeited (in dollars per share) | $ / shares	4.08
Expired (in dollars per share) | $ / shares	0.77
Ending balance (in dollars per share) | $ / shares	2.28	$ 2.12
Exercisable (in dollars per share) | $ / shares	$ 2.13
Weighted-Average Remaining Contractual Term (in years) and Aggregate Intrinsic Value
Weighted-average remaining contractual term (in years), outstanding	3 years 10 months 24 days	4 years 8 months 12 days
Weighted-average remaining contractual term (in years), exercisable	3 years 9 months 18 days
Aggregate intrinsic values | $	$ 13	$ 182
Exercisable, aggregate intrinsic value | $	$ 13