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LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions, $ in Millions		1 Months Ended							38 Months Ended
	Jul. 24, 2023 USD ($) lawsuit	Jan. 31, 2022 patent	Feb. 28, 2021 USD ($)	May 31, 2019 scientist	Oct. 31, 2017 scientist	Sep. 30, 2015 scientist patent	Mar. 31, 2010 USD ($)	Mar. 31, 2010 AUD ($)	Sep. 30, 2026 numberOfPayment	Jun. 30, 2023 USD ($) lawsuit	Feb. 17, 2023 lawsuit	Jun. 30, 2022 claim	Apr. 01, 2022	Mar. 30, 2022 lawsuit	Nov. 30, 2021 acquirer	Jun. 30, 2021 USD ($)	Mar. 31, 2018 lawsuit
Legal Proceedings And Contingencies [Line Items]
Running royalty													0.015
Damages sought \| $			$ 834
Class action claims											2
Obligation to holders of the contingent value rights \| $																$ 6,400
Accrued liabilities for CERCLA matters \| $										$ 84
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
Number of scientists \| scientist				2	1	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 \| $							$ 297
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]
Pending claims										11
Class action claims										4
Individual injury claims										7
Pending claims, active										2
Onglyza Product Liability Litigation
Legal Proceedings And Contingencies [Line Items]
Pending claims														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										2
Xspray
Legal Proceedings And Contingencies [Line Items]
Number of patents \| patent		2
Celgene Securities Class Action
Legal Proceedings And Contingencies [Line Items]
Putative claims																	2
AZ AB \| Forecast
Legal Proceedings And Contingencies [Line Items]
Number of litigations	2
Proceeds from legal settlements \| $	$ 560
Number of payments \| numberOfPayment									4
Settlement amount \| $	$ 418
Celgene Contingent Value Rights
Legal Proceedings And Contingencies [Line Items]
Putative claims																	2
Number of acquirers \| acquirer															1
Written order staying the case, term (in days)											200 days