v3.7.0.1

Discontinued Operations - Cash flow (Details) - Enterprise Services - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Depreciation and amortization | $ 129 | $ 358 | $ 388 | $ 734
Purchases of property, plant and equipment | $ 53 | $ 224 | $ 131 | $ 486

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- Definition Amount of capital expenditure attributable to discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721673-107760 + Details
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