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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