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Warranty, Guarantees And Contingencies (Tables)
 3 Months Ended
Jan. 28, 2018
Commitments and Contingencies Disclosure [Abstract]  
Changes in the warranty reserves
Changes in the warranty reserves are presented below:
 
 
Three Months Ended
 
January 28,
2018
 
January 29,
2017
 
 
 
 
 
(In millions)
Beginning balance
$
199

 
$
153

Warranties issued
46

 
40

Change in reserves related to preexisting warranty
2

 
3

Consumption of reserves
(43
)
 
(26
)
Ending balance
$
204

 
$
170