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Earnings per Share
 12 Months Ended
Dec. 31, 2014
Earnings per Share disclosure  
Earnings per Share disclosure [Text Block]

11. EARNINGS PER SHARE

        Basic earnings per share was computed by dividing income available to common shareholders by the weighted average number of common shares outstanding during the period. The computation of diluted earnings per share reflected the effect of potentially dilutive securities.

        The following is a reconciliation of the income and share data used in the basic and diluted earnings per share computations:

(for the year ended December 31, in millions, except per share amounts)
  2014   2013   2012  

Basic and Diluted

                    

Net income, as reported

   $ 3,692   $ 3,673   $ 2,473  

Participating share-based awards—allocated income

     (27 )   (27 )   (19 )
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Net income available to common shareholders—basic and diluted

   $ 3,665   $ 3,646   $ 2,454  
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Common Shares

                    

Basic

                    

Weighted average shares outstanding

     338.8     370.3     386.2  
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Diluted

                    

Weighted average shares outstanding

     338.8     370.3     386.2  

Weighted average effects of dilutive securities:

                    

Stock options and performance shares

     3.7     4.0     3.6  
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Total

     342.5     374.3     389.8  
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Net income Per Common Share

                    

Basic

   $ 10.82   $ 9.84   $ 6.35  
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Diluted

   $ 10.70   $ 9.74   $ 6.30  
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