Balance Sheet Details (Details 2) (USD $)	6 Months Ended
Apr. 30, 2013	Oct. 31, 2012
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 25,918,000,000	$ 25,883,000,000
Accumulated depreciation	(14,442,000,000)	(13,929,000,000)
Property, plant and equipment, net	11,476,000,000	11,954,000,000
Investment in property, plant and equipment	1,400,000,000
Sale and retirement of gross Property, Plant and Equipment	1,100,000,000
Accumulated depreciation on sale and retirement of property, plant and equipment	900,000,000
Land
Property, Plant and Equipment, Net
Property, plant and equipment, gross	634,000,000	636,000,000
Buildings and leasehold improvements
Property, Plant and Equipment, Net
Property, plant and equipment, gross	8,768,000,000	8,744,000,000
Machinery and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 16,516,000,000	$ 16,503,000,000

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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