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Balance Sheet Detail (Details 1) (USD $)
In Millions, unless otherwise specified
Jul. 29, 2012
Oct. 30, 2011
Property, Plant and Equipment, Net    
Land and improvements $ 169 $ 163
Buildings and improvements 1,195 1,155
Demonstration and manufacturing equipment 749 686
Furniture, fixtures and other equipment 733 722
Construction in progress 46 12
Gross property, plant and equipment 2,892 2,738
Accumulated depreciation (1,975) (1,872)
Net property, plant and equipment $ 917 [1] $ 866 [1]
[1] Amounts as of July 29, 2012 are unaudited. Amounts as of October 30, 2011 are derived from the October 30, 2011 audited consolidated financial statements.