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RESTRUCTURING (Tables)
 12 Months Ended
Oct. 31, 2015
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
A summary of balances and restructuring activity is shown in the table below:

 
Workforce reduction
U.S. Pre-retirement Plan
 
(in millions)
Balance as of October 31, 2014
$
1

$
—

Income statement expense
8

8

Cash payments
(5
)
(6
)
Balance as of October 31, 2015
$
4

$
2
Restructuring And Related Charges By Statement Of Operations Caption
A summary of the charges in the consolidated statement of operations resulting from all restructuring plans is shown below:

 
Year ended
 
October 31,
 
2015
 
2014
 
 
Cost of products and services
$
4

 
$
(1
)
Research and development
2

 
(1
)
Selling, general and administrative
10

 
(1
)
Total restructuring and other related costs
$
16

 
$
(3
)