LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) lawsuits
Anti-PD-1 Antibody Patent Litigation [Member]
Legal Proceedings And Contingencies [Line Items]
Litigation settlement, gross | $	$ 625.0
Royalty % to be received - 2017 - 2023	6.50%
Royalty % to be received - 2024 - 2026	2.50%
Percent BMS will keep after sharing with Ono	75.00%
Percentage BMS shares with Ono	25.00%
Plavix Product Liability [Member]
Legal Proceedings And Contingencies [Line Items]
Number of lawsuits	5,300
Byetta Product Liability Litigation [Member]
Legal Proceedings And Contingencies [Line Items]
Number of lawsuits	500
Number of current plaintiffs	2,000
Number of plaintiffs settled	30
Abilify Product Liability [Member]
Legal Proceedings And Contingencies [Line Items]
Number of lawsuits	130
Eliquis Product Liability [Member] | United States [Member]
Legal Proceedings And Contingencies [Line Items]
Number of lawsuits	80
Eliquis Product Liability [Member] | Canada [Member]
Legal Proceedings And Contingencies [Line Items]
Number of lawsuits	2
Shareholder Derivative Litigation [Member]
Legal Proceedings And Contingencies [Line Items]
Litigation settlement, gross | $	$ 14.7
Loss Contingency, Claims Dismissed, Number	2
Number of lawsuits	3
Abilify Government Investigation [Member]
Legal Proceedings And Contingencies [Line Items]
Number of states not participating in settlement	1
Cercla Matters [Member]
Legal Proceedings And Contingencies [Line Items]
Loss contingency, estimate of possible loss | $	$ 62.0