v3.6.0.2

Balance Sheet Details (Details 2) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014
Property, Plant and Equipment, Net |  |  |
Property, plant and equipment, gross | $ 21,745 | $ 21,424 |
Accumulated depreciation | (12,109) | (11,538) |
Property, plant and equipment, net | 9,636 | 9,886 |
Depreciation expense | 3,000 | 3,100 | $ 3,200
Investment in property, plant and equipment | 3,400 |  |
Sale and retirement of gross property, plant and equipment | 2,800 |  |
Unfavorable currency impacts on gross property plant and equipment | 114 |  |
Accumulated depreciation on sale and retirement of property, plant and equipment | 2,300 |  |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Spinoff | H3C |  |  |
Property, Plant and Equipment, Net |  |  |
Divestiture of property, plant and equipment | 251 |  |
Land |  |  |
Property, Plant and Equipment, Net |  |  |
Property, plant and equipment, gross | 497 | 514 |
Buildings and leasehold improvements |  |  |
Property, Plant and Equipment, Net |  |  |
Property, plant and equipment, gross | 6,948 | 6,924 |
Machinery and equipment, including equipment held for lease |  |  |
Property, Plant and Equipment, Net |  |  |
Property, plant and equipment, gross | $ 14,300 | $ 13,986 |

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