REVENUE RECOGNITION - Variable Consideration Provisions (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	$ 1,910	$ 1,863
Current period provisions	4,335	4,145
Payments and credits	(4,298)	(4,064)
Reserve ending balance	1,947	1,944
Discounts and Allowances
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	188	222
Current period provisions	457	427
Payments and credits	(462)	(452)
Reserve ending balance	183	197
Returns
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	427	482
Current period provisions	103	84
Payments and credits	(147)	(145)
Reserve ending balance	383	421
Rebates
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	1,023	944
Current period provisions	2,071	1,911
Payments and credits	(2,017)	(1,847)
Reserve ending balance	1,077	1,008
Chargebacks
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	196	170
Current period provisions	1,514	1,558
Payments and credits	(1,501)	(1,532)
Reserve ending balance	209	196
Distribution Fees
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Reserve beginning balance	76	45
Current period provisions	190	165
Payments and credits	(171)	(88)
Reserve ending balance	$ 95	$ 122

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column E))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4

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Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.

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Amount of decrease in valuation and qualifying accounts and reserves.

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