CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2021		Jun. 30, 2020		Jun. 30, 2021	Jun. 30, 2020
Total Revenues	$ 11,703		$ 10,129		$ 22,776	$ 20,910
Cost of products sold	2,452	[1]	2,699	[1]	5,293	6,361
Marketing, selling and administrative	1,882		1,628		3,548	3,234
Research and development	3,271		2,522		5,496	4,894
Amortization of acquired intangible assets	2,547		2,389		5,060	4,671
Other (income)/expense, net	(2)		(736)		(704)	427
Total Expenses	10,150		8,502		18,693	19,587
Earnings Before Income Taxes	1,553		1,627		4,083	1,323
Provision for Income Taxes	492		1,707		993	2,169
Net Earnings/(Loss)	1,061		(80)		3,090	(846)
Noncontrolling Interest	6		5		14	14
Net Earnings/(Loss) Attributable to BMS	$ 1,055		$ (85)		$ 3,076	$ (860)
Earnings/(Loss) Per Share, Basic	$ 0.47		$ (0.04)		$ 1.38	$ (0.38)
Earnings/(Loss) Per Share, Diluted	$ 0.47		$ (0.04)		$ 1.36	$ (0.38)
Net product sales [Member]
Total Revenues	$ 11,405		$ 9,817		$ 22,203	$ 20,358
Alliance and other revenues [Member]
Total Revenues	$ 298		$ 312		$ 573	$ 552

[1] Excludes amortization of acquired intangible assets