RECEIVABLES (Details) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Account Receivables [Line Items]
Trade receivables	$ 7,767		$ 7,882
Less charge-backs and cash discounts	(564)		(645)
Less allowances for expected credit loss	(16)		(18)
Net trade receivables	7,187		7,219
Alliance, royalties, VAT and other	1,473		1,282
Receivables	8,660		$ 8,501
Non-U.S. receivables sold on a nonrecourse basis	$ 318	$ 180
Number Of Largest Pharmaceutical Wholesalers	3
Customer Concentration Risk [Member]
Account Receivables [Line Items]
Percent of aggregate total trade receivables due from three pharmaceutical wholesalers	57.00%		55.00%

The amount of reductions to trade receivables incurred during the period attributable to cash discounts.

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The number of the largest pharmaceutical wholesalers used by the company in the territory.

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The percentage of aggregate trade receivables due from customers accounting for more than 10% of total trade receivables.

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The amount of receivables sold on a nonrecourse basis during the year.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount due from parties in nontrade transactions, classified as other.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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