NET INCOME PER SHARE (Tables)
 6 Months Ended
Apr. 30, 2016
Earnings Per Share [Abstract]  
Reconciliation of the numerators and denominators of the basic and diluted net income per share
The following is a reconciliation of the numerator and denominator of the basic and diluted net income per share computations for the periods presented below:
 
 
Three Months Ended
Six Months Ended
 
April 30,
April 30,
 
2016
 
2015
(As Revised)
2016
 
2015
(As Revised)
 
(in millions)
Numerator:
 

 
 

 

 
 

Income from continuing operations
$
91

 
$
92

$
214

 
$
185

Loss from discontinued operations
—

 
(5
)
—

 
(35
)
Net income
$
91

 
$
87

$
214

 
$
150

Denominator:
 
 
 
 
 
 
Basic weighted-average shares
326

 
334

327

 
335

Potential common shares— stock options and other employee stock plans
2

 
3

3

 
2

Diluted weighted-average shares
328

 
337

330

 
337