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INVENTORY (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Inventory, Net [Abstract]      
Finished goods $ 235 $ 219  
Purchased parts and fabricated assemblies 252 279  
Inventory 487 498  
Inventory-related excess and obsolescence charges $ 28 $ 33 $ 21