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Warranty, Guarantees And Contingencies (Tables)
 9 Months Ended
Jul. 28, 2019
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 28,
2019
 
July 29,
2018
 
July 28,
2019
 
July 29,
2018
 
 
 
 
 
 
 
 
 
(In millions)
Beginning balance
$
195

 
$
227

 
$
208

 
$
206

Warranties issued
37

 
44

 
110

 
145

Change in reserves related to preexisting warranty
1

 
1

 
7

 
—

Consumption of reserves
(42
)
 
(47
)
 
(134
)
 
(126
)
Ending balance
$
191

 
$
225

 
$
191

 
$
225