v2.4.0.6
Description of business and significant accounting policies and practices (Tables)
 12 Months Ended
Dec. 31, 2011
Description of business and significant accounting policies and practices [Abstract]  
Computation and reconciliation of earnings per common share
Computation and reconciliation of earnings per common share are as follows (shares in millions):
 
 
2011
 
2010
 
2009
 
 
Net Income
 
Shares
 
EPS
 
Net Income
 
Shares
 
EPS
 
Net Income
 
Shares
 
EPS
Basic EPS:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net income
 
$
2,236

 
 
 
 
 
$
3,228

 
 
 
 
 
$
1,470

 
 
 
 
Less income allocated to RSUs
 
(35
)
 
 
 
 
 
(44
)
 
 
 
 
 
(14
)
 
 
 
 
Income allocated to common stock for basic EPS calculation
 
$
2,201

 
1,151

 
$
1.91

 
$
3,184

 
1,199

 
$
2.66

 
$
1,456

 
1,260

 
$
1.16

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Adjustment for dilutive shares:
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

Stock-based compensation plans
 
 

 
20

 
 

 
 

 
14

 
 

 
 

 
9

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Diluted EPS:
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

Net income
 
$
2,236

 
 

 
 

 
$
3,228

 
 

 
 

 
$
1,470

 
 

 
 

Less income allocated to RSUs
 
(34
)
 
 

 
 

 
(44
)
 
 

 
 

 
(14
)
 
 

 
 

Income allocated to common stock for diluted EPS calculation
 
$
2,202

 
1,171

 
$
1.88

 
$
3,184

 
1,213

 
$
2.62

 
$
1,456

 
1,269

 
$
1.15