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LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions, $ in Millions	1 Months Ended					9 Months Ended
	Feb. 28, 2021 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2015 patent	Mar. 31, 2010 AUD ($)	Sep. 30, 2022 USD ($) plaintiff lawsuit	Apr. 01, 2022	Mar. 30, 2022 lawsuit	Jun. 30, 2021 USD ($)
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						$ 87
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						$ 292
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
Abilify Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Dismissed cases \| lawsuit						2,700
Number of plaintiffs, dismissed cases \| plaintiff						3,900
Onglyza Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Pending claims \| lawsuit								18