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ACQUISITION OF ANITE (Intangible Assets Acquired) (Details) - USD ($)
$ in Millions
 12 Months Ended
Aug. 13, 2015
Oct. 31, 2015
Oct. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]      
Total intangible assets subject to amortization   $ 246 $ 6
Anite [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Total intangible assets subject to amortization $ 232    
Total intangible assets 244    
Anite [Member] | In Process Research and Development [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
In-process research and development 12    
Anite [Member] | Developed Product Technology [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Total intangible assets subject to amortization $ 182    
Finite lived intangible assets useful life 6 years    
Anite [Member] | Customer Relationships [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Total intangible assets subject to amortization $ 31    
Finite lived intangible assets useful life 8 years    
Anite [Member] | Trademarks and Trade Names [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Total intangible assets subject to amortization $ 19    
Finite lived intangible assets useful life 10 years