v3.8.0.1

Fair Value - Narrative (Details) - USD ($) $ in Billions | Apr. 30, 2018 | Oct. 31, 2017
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Fair Value Disclosures [Abstract] |  |
Fair value, short-term and long-term debt | $ 14.0 | $ 14.6

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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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