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RESTRUCTURING (Tables)
6 Months Ended
Apr. 30, 2014
Restructuring and Related Activities [Abstract]  
Summary of total restructuring activity
A summary of the activity in the condensed consolidated statement of operations resulting from all restructuring activities is shown in the table below:

 
Workforce
 
Reduction
 
(in millions)
Balance as of October 31, 2013
$
24

Income statement expense reversal
(4
)
Cash payments
(12
)
Balance as of April 30, 2014
$
8

Restructuring by statement of operations caption

A summary of the activity in the condensed consolidated statement of operations resulting from all restructuring activities is shown below:

 
Three Months Ended
 
Six Months Ended
 
April 30,
 
April 30,
 
2014
 
2013
 
2014
 
2013
 
(in millions)
Cost of products and services
$

 
$
18

 
$
(1
)
 
$
18

Research and development

 
8

 
(1
)
 
8

Selling, general and administrative

 
29

 
(2
)
 
29

Total restructuring and other related costs
$

 
$
55

 
$
(4
)
 
$
55