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LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions, $ in Millions	1 Months Ended					3 Months Ended
	Feb. 28, 2021 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2015 patents	Mar. 31, 2010 AUD ($)	Mar. 31, 2022 USD ($) lawsuits numberOfPlaintiffs	Apr. 01, 2022	Jun. 30, 2021 USD ($)
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 \| patents				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 \| $						$ 337
Abilify Product Liability
Legal Proceedings And Contingencies [Line Items]
Pending claims \| lawsuits						5
Abilify Product Liability \| CANADA
Legal Proceedings And Contingencies [Line Items]
Pending claims \| lawsuits						11
Class action claims \| lawsuits						4
Individual injury claims \| lawsuits						7
Pending claims, active \| lawsuits						2
Abilify Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Pending claims \| lawsuits						2,500
Dismissed cases \| lawsuits						2,700
Number of plaintiffs, dismissed cases \| numberOfPlaintiffs						3,900
Onglyza Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Number of plaintiffs \| numberOfPlaintiffs						252