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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions | Jul. 31, 2017 | Oct. 31, 2016
--- | --- | ---
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | $ 1,181 | $ 1,253
Accumulated Amortization | 806 | 845
Net Book Value | 375 | 408
Purchased Technology |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 856 | 823
Accumulated Amortization | 630 | 572
Net Book Value | 226 | 251
Backlog |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount |  | 1
Accumulated Amortization |  | 1
Net Book Value |  | 0
Trademark/Tradenames |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 149 | 149
Accumulated Amortization | 70 | 61
Net Book Value | 79 | 88
Customer Relationships |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 155 | 263
Accumulated Amortization | 106 | 211
Net Book Value | 49 | 52
Total amortizable intangible assets |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 1,160 | 1,236
Accumulated Amortization | 806 | 845
Net Book Value | 354 | 391
In-Process R&D |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  |
In-Process R&D | $ 21 | $ 17

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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