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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions | Jan. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | $ 2,085 | $ 2,086
Accumulated Amortization | 1,026 | 979
Net Book Value | 1,059 | 1,107
Purchased Technology |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 1,412 | 1,413
Accumulated Amortization | 787 | 763
Net Book Value | 625 | 650
Backlog |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 5 | 5
Accumulated Amortization | 5 | 5
Net Book Value | 0 | 0
Trademark/Tradenames |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 196 | 196
Accumulated Amortization | 106 | 102
Net Book Value | 90 | 94
Customer Relationships |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 329 | 329
Accumulated Amortization | 105 | 87
Net Book Value | 224 | 242
Third-Party Technology and Licenses |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 28 | 28
Accumulated Amortization | 23 | 22
Net Book Value | 5 | 6
Total amortizable intangible assets |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 1,970 | 1,971
Accumulated Amortization | 1,026 | 979
Net Book Value | 944 | 992
In-Process R&D |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  |
In-Process R&D | $ 115 | $ 115

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