v2.4.0.6
Earnings per share (Tables)
 12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Computation for basic and diluted earnings per share
The computation for basic and diluted EPS was as follows (in millions, except per share data):
 
2012
 
2011
 
2010
Income (Numerator):
 
 
 
 
 
Net income for basic and diluted EPS
$
4,345

 
$
3,683

 
$
4,627

 
 
 
 
 
 
Shares (Denominator):
 
 
 
 
 
Weighted-average shares for basic EPS
775

 
905

 
960

Effect of dilutive securities
12

 
7

 
5

Weighted-average shares for diluted EPS
787

 
912

 
965

 
 
 
 
 
 
Basic EPS
$
5.61

 
$
4.07

 
$
4.82

Diluted EPS
$
5.52

 
$
4.04

 
$
4.79