CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net product sales	$ 3,572	$ 2,770	$ 6,631	$ 5,577
Alliance and other revenues	591	1,119	1,573	2,123
Total revenues	4,163	3,889	8,204	7,700
Cost of products sold	1,013	991	1,860	1,959
Marketing, selling and administrative	968	951	1,862	1,908
Advertising and product promotion	167	187	302	350
Research and development	1,856	1,416	2,872	2,362
Other (income)/expense	107	(104)	(192)	(312)
Total Expenses	4,111	3,441	6,704	6,267
Earnings Before Income Taxes	52	448	1,500	1,433
Provision for Income Taxes	162	114	411	163
Net Earnings/(Loss)	(110)	334	1,089	1,270
Net Earnings Attributable to Noncontrolling Interest	20	1	33
Net Earnings/(Loss) Attributable to BMS	$ (130)	$ 333	$ 1,056	$ 1,270
Earnings/(Loss) per Common Share
Basic	$ (0.08)	$ 0.20	$ 0.63	$ 0.77
Diluted	(0.08)	0.20	0.63	0.76
Cash dividends declared per common share	$ 0.37	$ 0.36	$ 0.74	$ 0.72