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Earnings Per Share (Tables)
 3 Months Ended
Feb. 28, 2018
Earnings Per Share [Abstract]  
Basic and Diluted Earnings Per Share Computation
 
 
Three Months Ended
February 28,
(in millions, except per share data)
2018
 
2017
Net income for basic and diluted earnings per share
$
391

 
$
352

Weighted-average shares outstanding
717

 
725

Dilutive effect of equity plans
2

 
3

Diluted weighted-average shares outstanding
719

 
728

Basic earnings per share
$
0.54

 
$
0.48

Diluted earnings per share
$
0.54

 
$
0.48