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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions | Jan. 31, 2021 | Oct. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets, Net |  |
Total Intangible Assets | $ 1,982 | $ 1,976
Accumulated Amortization | 1,195 | 1,145
Net Book Value | 787 | 831
Purchased Technology |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 1,433 | 1,429
Accumulated Amortization | 891 | 863
Net Book Value | 542 | 566
Trademark/Tradenames |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 196 | 196
Accumulated Amortization | 121 | 117
Net Book Value | 75 | 79
Customer Relationships |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 332 | 330
Accumulated Amortization | 176 | 158
Net Book Value | 156 | 172
Third-Party Technology and Licenses |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 10 | 11
Accumulated Amortization | 7 | 7
Net Book Value | 3 | 4
Total amortizable intangible assets |  |
Finite-Lived Intangible Assets, Net |  |
Gross Carrying Amount | 1,971 | 1,966
Accumulated Amortization | 1,195 | 1,145
Finite-Lived Intangible Assets, Net | 776 | 821
In-Process R&D |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) |  |
In-Process R&D | $ 11 | $ 10

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