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Warranty, Guarantees And Contingencies (Tables)
 3 Months Ended
Jan. 29, 2017
Commitments and Contingencies Disclosure [Abstract]  
Changes in the warranty reserves
Changes in the warranty reserves are presented below:
 
 
Three Months Ended
 
January 29,
2017
 
January 31,
2016
 
 
 
 
 
(In millions)
Beginning balance
$
153

 
$
126

Warranties issued
40

 
26

Change in reserves related to preexisting warranty
3

 
(11
)
Consumption of reserves
(26
)
 
(22
)
Ending balance
$
170

 
$
119