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WARRANTY, COMMITMENTS AND CONTINGENCIES (Tables)
6 Months Ended
Apr. 30, 2019
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,
 
2019
 
2018
 
(in millions)
Beginning balance
$
45

 
$
45

Accruals for warranties including change in estimate
15

 
18

Settlements made during the period
(18
)
 
(17
)
Ending balance
$
42


$
46

 
 
 
 
Accruals for warranties due within one year
$
24

 
$
26

Accruals for warranties due after one year
18

 
20

Ending balance
$
42

 
$
46