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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block] EARNINGS PER SHARE
 
Year Ended December 31,
Amounts in Millions, Except Per Share Data
2019
 
2018
 
2017
Net Earnings Attributable to BMS used for Basic and Diluted EPS Calculation
$
3,439

 
$
4,920

 
$
1,007

 
 
 
 
 
 
Weighted-average common shares outstanding - basic
1,705

 
1,633

 
1,645

Incremental shares attributable to share-based compensation plans
7

 
4

 
7

Weighted-average common shares outstanding - diluted
1,712

 
1,637

 
1,652

 
 
 
 
 
 
Earnings per Common Share
 
 
 
 
 
Basic
$
2.02

 
$
3.01

 
$
0.61

Diluted
2.01

 
3.01

 
0.61