EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended March 31,
Amounts in Millions, Except Per Share Data	2021		2020
Net Earnings/(Loss) Attributable to BMS Used for Basic and Diluted EPS Calculation	$	2,021	$	(775)
Weighted-Average Common Shares Outstanding – Basic	2,236		2,258
Incremental Shares Attributable to Share-Based Compensation Plans	29		—
Weighted-Average Common Shares Outstanding – Diluted	2,265		2,258
Earnings/(Loss) per Common Share
Basic	$	0.90	$	(0.34)
Diluted	0.89		(0.34)