Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013 Item	Oct. 31, 2012	Oct. 31, 2011
Summary of Significant Accounting Policies
Number of customer negotiated refund or return rights for the delivered elements	0
Advertising cost	$ 878	$ 1,000	$ 1,200
Buildings and improvements | Minimum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	5 years
Buildings and improvements | Maximum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	40 years
Machinery and equipment | Minimum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	15 years
Capitalized internal use software | Minimum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	3 years
Capitalized internal use software | Maximum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	5 years
Capitalized software for resale | Maximum
Property, Plant and Equipment, Net
Estimated useful life for property, plant and equipment	3 years