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Warranty, Guarantees and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jul. 27, 2014
Jul. 28, 2013
Jul. 27, 2014
Jul. 28, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]        
Beginning balance $ 109 $ 104 $ 102 $ 119
Provisions for warranty 29 27 85 76
Consumption of reserves (26) (31) (75) (95)
Ending balance $ 112 $ 100 $ 112 $ 100