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Earnings Per Share (Tables)
 6 Months Ended
May 31, 2013
Text Block [Abstract]  
Basic and Diluted Earnings Per Share Computation
Our basic and diluted earnings (loss) per share were computed as follows (in millions, except per share data):
 
 
 
Three Months Ended May 31,
 
Six Months Ended May 31,
 
 
2013
 
2012
 
2013
 
2012
Net income (loss) for basic and diluted earnings (loss) per share
 
$
41

 
$
14

 
$
78

 
$
(125
)
Weighted-average common and ordinary shares outstanding
 
775

 
779

 
775

 
778

Dilutive effect of equity plans
 
2

 
—

 
2

 
—

Diluted weighted-average shares outstanding
 
777

 
779

 
777

 
778

Basic and diluted earnings (loss) per share
 
$
0.05

 
$
0.02

 
$
0.10

 
$
(0.16
)
Anti-dilutive equity awards excluded from diluted earnings (loss)
per share computations
 
6

 
9

 
5

 
13