Supplementary Financial Information - Property Plant & Equipment (Details) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 31, 2016
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 5,863	$ 6,084
Accumulated depreciation	(4,202)	(4,348)
Property, plant and equipment, net	1,661	1,736
Land, buildings and leasehold improvements
Property, Plant and Equipment, Net
Property, plant and equipment, gross	2,043	2,421
Machinery and equipment, including equipment held for lease
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 3,820	$ 3,663

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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-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-Subparagraph (SX 210.5-02(13))
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