XML 33 R23.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings Per Share (Tables)
 3 Months Ended
Jul. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table presents information concerning basic and diluted earnings per share:
 
Three Months Ended
 
July 31,
(Dollars in millions, except per share amounts)
2017
 
2018
Net income available to common stockholders
$
178

 
$
200

 
 
 
 
Share data (in thousands):
 
 
 
Basic average common shares outstanding
480,048

 
480,964

Dilutive effect of stock-based awards
2,936

 
3,477

Diluted average common shares outstanding
482,984

 
484,441

 
 
 
 
Basic earnings per share
$
0.37

 
$
0.42

Diluted earnings per share
$
0.37

 
$
0.41