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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2017
Jan. 31, 2017
Jul. 31, 2016
Jul. 31, 2017
Jul. 31, 2016
Income Tax Disclosure          
Provision for income taxes $ 18   $ 10 $ 70 $ 57
Effective income tax rate 9.30%   7.50% 12.10% 14.50%
Net Discrete Tax Expense (Benefit) $ (60)   $ (6) $ (63) $ (9)
Deferred tax liability for unremitted foreign earnings [Member]          
Income Tax Disclosure          
Discrete Tax Expense (Benefit)         $ (11)
Tax years 2012 and 2013 [Member]          
Income Tax Disclosure          
Unrecognized tax benefits reduction due to expiration of statute of limitations 40        
ITALY          
Income Tax Disclosure          
Incremental tax expense due to audit   $ 7      
Unrecognized tax benefits decrease due to settlement with taxing authorities   $ 14      
GERMANY          
Income Tax Disclosure          
Discrete Tax Expense (Benefit)       $ (51)  
Unrecognized tax benefits decrease due to settlement with taxing authorities $ 51