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WARRANTIES AND CONTINGENCIES (Tables)
 3 Months Ended
Jan. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
Standard warranty
A summary of the standard warranty accrual activity is shown in the table below:
 
 

 
January 31,
 
2017
 
2016
 
(in millions)
Beginning balance as of November 1
$
35

 
$
31

Accruals for warranties including change in estimate
13

 
21

Settlements made during the period
(13
)
 
(14
)
Ending balance as of January 31,
$
35


$
38

 
 
 
 
Accruals for warranties due within one year
$
34

 
$
36

Accruals for warranties due after one year
1

 
2

Ending balance as of January 31,
$
35

 
$
38