DIVESTITURES, LICENSING AND OTHER ACQUISITIONS - Divestitures (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Business Acquisition [Line Items]
Net proceeds	$ 397	$ 180
Divestiture (Gains)/Losses	(211)	0
Royalty Income	(171)	(135)
Diabetes Business
Business Acquisition [Line Items]
Net proceeds	172	164
Divestiture (Gains)/Losses	0	0
Royalty Income	(170)	(134)
Mature Products and Other
Business Acquisition [Line Items]
Net proceeds	225	16
Divestiture (Gains)/Losses	(211)	0
Royalty Income	(1)	$ (1)
Mature Products and Other \| Cheplapharm
Business Acquisition [Line Items]
Net proceeds	$ 221

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources.

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