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Warranty, Guarantees And Contingencies (Tables)
 9 Months Ended
Jul. 29, 2018
Commitments and Contingencies Disclosure [Abstract]  
Changes in the warranty reserves
Changes in the warranty reserves are presented below:
 
 
Three Months Ended
 
Nine Months Ended
 
July 29,
2018
 
July 30,
2017
 
July 29,
2018
 
July 30,
2017
 
 
 
 
 
 
 
 
 
(In millions)
Beginning balance
$
218

 
$
182

 
$
199

 
$
153

Warranties issued
48

 
41

 
147

 
123

Change in reserves related to preexisting warranty
1

 
1

 
—

 
3

Consumption of reserves
(47
)
 
(32
)
 
(126
)
 
(87
)
Ending balance
$
220

 
$
192

 
$
220

 
$
192