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Warranty, Guarantees And Contingencies (Tables)
 9 Months Ended
Jul. 30, 2017
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 30,
2017
 
July 31,
2016
 
July 30,
2017
 
July 31,
2016
 
 
 
 
 
 
 
 
 
(In millions)
Beginning balance
$
182

 
$
121

 
$
153

 
$
126

Warranties issued
41

 
35

 
123

 
91

Change in reserves related to preexisting warranty
1

 
7

 
3

 
(9
)
Consumption of reserves
(32
)
 
(24
)
 
(87
)
 
(69
)
Ending balance
$
192

 
$
139

 
$
192

 
$
139