REVENUE RECOGNITION - Variable Consideration Provisions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	$ 1,910	$ 1,863
Current period provisions	1,371	1,256
Payments and credits	(1,453)	(1,227)
Reserve ending balance	1,828	1,892
Discounts and Allowances
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	188	222
Current period provisions	139	134
Payments and credits	(148)	(162)
Reserve ending balance	179	194
Returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	427	482
Current period provisions	42	19
Payments and credits	(40)	(54)
Reserve ending balance	429	447
Rebates
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	1,023	944
Current period provisions	664	581
Payments and credits	(729)	(599)
Reserve ending balance	958	926
Chargebacks
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	196	170
Current period provisions	465	471
Payments and credits	(487)	(359)
Reserve ending balance	174	282
Distribution Fees
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	76	45
Current period provisions	61	51
Payments and credits	(49)	(53)
Reserve ending balance	$ 88	$ 43