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WARRANTIES AND CONTINGENCIES (Tables)
 3 Months Ended
Jan. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Standard warranty
A summary of the standard warranty accrual activity is shown in the table below:
 
 
Three Months Ended
 
January 31,
 
2018
 
2017
 
(in millions)
Beginning balance as of November 1,
$
34

 
$
35

Accruals for warranties including change in estimate
11

 
13

Settlements made during the period
(12
)
 
(13
)
Ending balance as of January 31,
$
33


$
35

 
 
 
 
Accruals for warranties due within one year
$
33

 
$
34

Accruals for warranties due after one year
—

 
1

Ending balance as of January 31,
$
33

 
$
35