WARRANTY, COMMITMENTS AND CONTINGENCIES (Tables)
6 Months Ended
Apr. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Standard warranty
Activity related to the standard warranty accrual, which is included in other accrued and other long-term liabilities in our condensed consolidated balance sheet, is as follows:
 
Six Months Ended
 
April 30,
 
2017
 
2016
 
(in millions)
Beginning balance
$
44

 
$
53

Accruals for warranties including change in estimate
15

 
14

Settlements made during the period
(15
)
 
(16
)
Ending balance
$
44


$
51

 
 
 
 
Accruals for warranties due within one year
$
23

 
$
33

Accruals for warranties due after one year
21

 
18

Ending balance
$
44

 
$
51