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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($)
$ in Millions
Jul. 31, 2018
Oct. 31, 2017
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount $ 1,438 $ 1,206
Accumulated Amortization 923 845
Net Book Value 515 361
Purchased Technology    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 976 855
Accumulated Amortization 691 646
Net Book Value 285 209
Trademark/Tradenames    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 151 149
Accumulated Amortization 85 73
Net Book Value 66 76
Customer Relationships    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 172 151
Accumulated Amortization 129 112
Net Book Value 43 39
Third-Party Technology and Licenses    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 28 27
Accumulated Amortization 18 14
Net Book Value 10 13
Total amortizable intangible assets    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 1,327 1,182
Accumulated Amortization 923 845
Net Book Value 404 337
In-Process R&D    
Indefinite-Lived Intangible Assets (Excluding Goodwill)    
In-Process R&D $ 111 $ 24