XML 29 R17.htm IDEA: XBRL DOCUMENT v3.5.0.2
Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Average Common Shares Outstanding Basic and Diluted
A reconciliation of the average number of common shares outstanding used in the basic and diluted EPS computations follows:
 
 
Three Months Ended
September 30
 
Nine Months Ended
September 30
(Millions of shares)
 
2016
 
2015
 
2016
 
2015
Basic
 
359.2

 
363.9

 
360.0

 
364.5

Dilutive effect of stock options and restricted share unit awards
 
2.3

 
2.3

 
2.4

 
2.4

Diluted
 
361.5

 
366.2

 
362.4

 
366.9