SHARE-BASED COMPENSATION - Summary of Share-Based Compensation Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares
Stock options, shares
Outstanding at beginning of period (in shares) | shares		3,738
Granted (in shares) | shares		2,143
Exercised (in shares) | shares		(448)
Forfeited (in shares) | shares		(31)
Expired (in shares) | shares		(30)
Outstanding at end of period (in shares) | shares	5,372	5,372
Exercisable (in shares) | shares	3,044	3,044
Expected to vest (in shares) | shares	1,780	1,780
Stock options, weighted average exercise price
Outstanding at beginning of period (in dollars per share) | $ / shares		$ 90
Granted (in dollars per share) | $ / shares		72
Exercised (in dollars per share) | $ / shares		60
Forfeited (in dollars per share) | $ / shares		69
Expired (in dollars per share) | $ / shares		131
Outstanding at end of period (in dollars per share) | $ / shares	$ 85	85
Exercisable (in dollars per share) | $ / shares	95	95
Expected to vest (in dollars per share) | $ / shares	$ 72	$ 72
Stock options, weighted average contractual term (in years)
Stock options, weighted average remaining contractual term, outstanding		6 years 4 months 24 days
Stock options, weighted average remaining contractual term, exercisable		4 years
Stock options, weighted average remaining contractual term, expected to vest		9 years 6 months
Stock options, intrinsic value
Stock options, intrinsic value, outstanding | $	$ 53	$ 53
Stock options, intrinsic value, exercisable | $	31	31
Stock options, intrinsic value, expected to vest | $	$ 17	$ 17
RSUs
RSUs, shares
Outstanding at beginning of period (in shares) | shares		3,551
Granted (in shares) | shares		1,788
Vested (in shares) | shares		(672)
Forfeited (in shares) | shares		(158)
Outstanding at end of period (in shares) | shares	4,509	4,509
Expected to vest (in shares) | shares	3,851	3,851
RSUs, weighted average grant date fair value
Outstanding at beginning of period (in dollars per share) | $ / shares		$ 58
Granted (in dollars per share) | $ / shares	$ 73	73
Vested (in dollars per share) | $ / shares		70
Forfeited (in dollars per share) | $ / shares		62
Outstanding at end of period (in dollars per share) | $ / shares	63	63
Expected to vest (in dollars per share) | $ / shares	$ 55	$ 55
RSUs, weighted average contractual term (in years)
Weighted average remaining contractual term, outstanding		1 year 9 months 18 days
Weighted average remaining contractual term, expected to vest		1 year 9 months 18 days
RSUs, intrinsic value
Intrinsic value, outstanding | $	$ 368	$ 368
Intrinsic value, expected to vest | $	$ 313	$ 313