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NET INCOME PER SHARE
 3 Months Ended
Mar. 31, 2013
Earnings Per Share [Abstract]  
NET INCOME PER SHARE
NET INCOME PER SHARE

The following table sets forth the computation of basic and diluted net income per share (in millions except per share amounts):

 
Three months ended
March 31,
 
2013
 
2012
NUMERATOR:
 
 
 
Net income
$
59

 
$
98

 
 
 
 
DENOMINATOR:
 

 
 

Weighted-average shares outstanding, basic
725

 
771

Dilutive effect of Employee stock options and restricted stock units
2

 
1

Adjusted weighted-average shares outstanding, diluted
727

 
772

 
 
 
 
NET INCOME PER SHARE:
 

 
 

Basic
$
0.08

 
$
0.13

Diluted
$
0.08

 
$
0.13

 
 
 
 
Potentially dilutive amounts excluded from calculations:
 

 
 

Stock options and restricted stock units
17

 
44

5.25% convertible notes
6

 
6