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Warranty, Guarantees And Contingencies (Tables)
 6 Months Ended
Apr. 29, 2018
Commitments and Contingencies Disclosure [Abstract]  
Changes in the warranty reserves
Changes in the warranty reserves are presented below:
 
 
Three Months Ended
 
Six Months Ended
 
April 29,
2018
 
April 30,
2017
 
April 29,
2018
 
April 30,
2017
 
 
 
 
 
 
 
 
 
(In millions)
Beginning balance
$
204

 
$
170

 
$
199

 
$
153

Warranties issued
53

 
42

 
99

 
82

Change in reserves related to preexisting warranty
(3
)
 
(1
)
 
(1
)
 
2

Consumption of reserves
(36
)
 
(29
)
 
(79
)
 
(55
)
Ending balance
$
218

 
$
182

 
$
218

 
$
182