Balance Sheet Details - Schedule of Property, Plant and Equipment and Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Jul. 31, 2017	Oct. 31, 2016
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 12,868	$ 12,924
Accumulated depreciation	(6,138)	(6,620)
Total	6,730	6,304
Purchase of property, plant and equipment	2,183
Favorable currency impacts	259
Acquisition	239
Sales and retirements of PP&E	2,737
Accumulated depreciation on sale and retirement of property, plant and equipment	1,670
Land
Property, Plant and Equipment, Net
Property, plant and equipment, gross	313	353
Buildings and leasehold improvements
Property, Plant and Equipment, Net
Property, plant and equipment, gross	2,555	3,547
Machinery and equipment, including equipment held for lease
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 10,000	$ 9,024

Property, Plant and Equipment, Foreign Currency Gain (Loss)

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Sale and retirement of gross property, plant and equipment used in the normal conduct of business.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of acquisition 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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Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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