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WARRANTIES AND CONTINGENCIES (Tables)
 3 Months Ended
Jan. 31, 2013
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,
 
2013
 
2012
 
(in millions)
Beginning balance as of November 1
$
60

 
$
50

Accruals for warranties including change in estimate
22

 
20

Settlements made during the period
(20
)
 
(18
)
Ending balance as of January 31
$
62

 
$
52