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BUSINESS SEGMENT INFORMATION	9 Months Ended
BUSINESS SEGMENT INFORMATION	Sep. 30, 2018
Segment Reporting [Abstract]
Business Segment Information [Text Block]	BUSINESS SEGMENT INFORMATION BMS operates in a single segment engaged in the discovery, development, licensing, manufacturing, marketing, distribution and sale of innovative medicines that help patients prevail over serious diseases. A global research and development organization and supply chain organization are responsible for the discovery, development, manufacturing and supply of products. Regional commercial organizations market, distribute and sell the products. The business is also supported by global corporate staff functions. The determination of a single segment is consistent with the financial information regularly reviewed by the chief executive officer for purposes of evaluating performance, allocating resources, setting incentive compensation targets and planning and forecasting future periods. For further information on product and regional revenues, see "—Note 3. Revenue."