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EARNINGS PER SHARE
12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]

Note 8. EARNINGS PER SHARE

  Year Ended December 31,
Amounts in Millions, Except Per Share Data2012 2011 2010
Net Earnings Attributable to BMS$ 1,960 $ 3,709 $ 3,102
Earnings attributable to unvested restricted shares  (1)   (8)   (12)
Net Earnings Attributable to BMS common shareholders$ 1,959 $ 3,701 $ 3,090
          
Earnings per share - basic$ 1.17 $ 2.18 $ 1.80
          
Weighted-average common shares outstanding - basic  1,670   1,700   1,713
Contingently convertible debt common stock equivalents  1   1   1
Incremental shares attributable to share-based compensation plans  17   16   13
Weighted-average common shares outstanding - diluted  1,688   1,717   1,727
          
Earnings per share - diluted$ 1.16 $ 2.16 $ 1.79
          
Anti-dilutive weighted-average equivalent shares - stock incentive plans  2   13   51