LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions, $ in Millions	1 Months Ended
	Jan. 31, 2022 patent	Feb. 28, 2021 USD ($)	Mar. 31, 2010 AUD ($)	Mar. 31, 2010 USD ($)	Sep. 30, 2023 USD ($) lawsuit	Jul. 31, 2023 lawsuit	Nov. 30, 2022 lawsuit	Jun. 30, 2022 claim	Apr. 01, 2022	Nov. 30, 2021 acquirer lawsuit	Jun. 30, 2021 USD ($)	Mar. 31, 2018 lawsuit
Legal Proceedings And Contingencies [Line Items]
Damages sought | $		$ 834
Class action claims							2
Obligation to holders of the contingent value rights | $											$ 6,400
Running royalty									0.015
Accrued liabilities for CERCLA matters | $					$ 81
Bristol-Myers Squibb
Legal Proceedings And Contingencies [Line Items]
Damages sought | $		$ 417
AZ AB
Legal Proceedings And Contingencies [Line Items]
Number of litigations						2
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 | $				$ 289
Xspray
Legal Proceedings And Contingencies [Line Items]
Number of patents | patent	2
Abilify Product Liability | NEW JERSEY
Legal Proceedings And Contingencies [Line Items]
Individual injury claims					11
Abilify Product Liability | CANADA
Legal Proceedings And Contingencies [Line Items]
Individual injury claims					7
Pending claims					11
Class action claims					4
Pending claims, active					2
Celgene Securities Class Action
Legal Proceedings And Contingencies [Line Items]
Putative claims												2
Celgene Contingent Value Rights
Legal Proceedings And Contingencies [Line Items]
Putative claims										2
Number of acquirers | acquirer										1
Molina Litigation
Legal Proceedings And Contingencies [Line Items]
Class action claims | claim								63
Dismissed cases | claim								4
Opt-Out Entities
Legal Proceedings And Contingencies [Line Items]
Class action claims					2