LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions, $ in Millions	1 Months Ended
	Feb. 28, 2021 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2015 patent	Mar. 31, 2010 USD ($)	Mar. 31, 2010 AUD ($)	Mar. 31, 2023 USD ($) lawsuit	Jun. 30, 2022 claim	Apr. 01, 2022	Mar. 30, 2022 lawsuit	Jun. 30, 2021 USD ($)
Legal Proceedings And Contingencies [Line Items]
Running royalty									0.015
Damages sought	$ 834
Obligation to holders of the contingent value rights											$ 6,400
Accrued liabilities for CERCLA matters							$ 89
Bristol-Myers Squibb
Legal Proceedings And Contingencies [Line Items]
Damages sought	$ 417
Anti-PD-1 Antibody Litigation
Legal Proceedings And Contingencies [Line Items]
Number of patents | patent				6
CAR T Kite Litigation
Legal Proceedings And Contingencies [Line Items]
Payments for royalties		$ 1,200	$ 585
Running royalty		0.276	0.276
Plavix Australia Intellectual Property | Australia, Dollars
Legal Proceedings And Contingencies [Line Items]
Damages paid						$ 449
Plavix Australia Intellectual Property | United States of America, Dollars
Legal Proceedings And Contingencies [Line Items]
Damages paid					$ 301
Abilify Product Liability | CANADA
Legal Proceedings And Contingencies [Line Items]
Pending claims | lawsuit							11
Class action claims | lawsuit							4
Individual injury claims | lawsuit							7
Pending claims, active | lawsuit							2
Onglyza Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Pending claims | lawsuit										18
Molina Litigation
Legal Proceedings And Contingencies [Line Items]
Dismissed cases | claim								4
Class action claims | claim								63
Opt-Out Entities
Legal Proceedings And Contingencies [Line Items]
Class action claims | lawsuit							2