Earnings per Share (Tables)
9 Months Ended
Aug. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]
Weighted-average shares outstanding for the three and nine months ended August 31, 2016 and 2015 were calculated as follows (in millions):
 
Three months ended August 31,
 
Nine months ended August 31,
 
2016
 
2015
 
2016
 
2015
Weighted-average shares outstanding:
 
 
 
 
 
 
 
Shares used in basic EPS calculation
340.1

 
243.1

 
273.5

 
244.1

Effect of dilutive securities:
 
 
 
 
 
 
 
Restricted stock units
—

 
1.7

 
2.2

 
1.9

Stock options
—

 
—

 
1.8

 
—

Shares used in diluted EPS calculation
340.1

 
244.8

 
277.5

 
246.0