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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Feb. 28, 2015
Earnings Per Share [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   
  February 28,
 
2015
 
2014
Net income (loss) for basic and diluted earnings per share
$
49

 
$
(20
)
Weighted-average common and ordinary shares outstanding
777

 
776

Dilutive effect of equity plans
2

 
—

Diluted weighted-average shares outstanding
779

 
776

Basic and diluted earnings (loss) per share
$
0.06

 
$
(0.03
)
Anti-dilutive equity awards excluded from diluted earnings (loss) per share
     computations
—

 
6