Balance Sheet Details - Schedule of Property, Plant and Equipment and Narrative (Details) - USD ($) $ in Millions	Jan. 31, 2019	Oct. 31, 2018
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 11,797	$ 11,816
Accumulated depreciation	(5,656)	(5,678)
Total	6,141	6,138
Land
Property, Plant and Equipment, Net
Property, plant and equipment, gross	294	294
Buildings and leasehold improvements
Property, Plant and Equipment, Net
Property, plant and equipment, gross	2,135	2,103
Machinery and equipment, including equipment held for lease
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 9,368	$ 9,419

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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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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