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INCOME TAXES (Details) - USD ($)
$ in Millions
 3 Months Ended
Jan. 31, 2017
Jan. 31, 2016
Income Tax Disclosure    
Effective income tax rate 13.00% 14.80%
Provision for income taxes $ 25 $ 21
Net Discrete Tax Expense (Benefit) (2) (6)
Related to Settlement of Audit    
Income Tax Disclosure    
Discrete Tax Expense (Benefit) (7)  
Incremental taxes 7  
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions 14  
U.S. Research & Development Tax Credit Extension    
Income Tax Disclosure    
Discrete Tax Expense (Benefit)   (5)
Pension Curtailment and Settlement    
Income Tax Disclosure    
Discrete Tax Expense (Benefit) 11 6
Return To Provision Adjustment    
Income Tax Disclosure    
Discrete Tax Expense (Benefit)   (9)
Other Discrete Items    
Income Tax Disclosure    
Discrete Tax Expense (Benefit) $ (6) $ 2