EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net earnings attributable to BMS used for Basic and Diluted EPS Calculation	$ 1,710	$ 1,486
Weighted-average common shares outstanding - basic	1,634	1,633
Incremental shares attributable to share-based compensation plans	3	7
Weighted-average common shares outstanding - diluted	1,637	1,640
Earnings Per Share, Basic	$ 1.05	$ 0.91
Earnings Per Share, Diluted	$ 1.04	$ 0.91