RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Apr. 30, 2017
Apr. 30, 2016
Defined Benefit Plan Disclosure [Line Items]        
Document Period End Date     Apr. 30, 2017  
U.S. Defined Benefit Plans        
Defined Benefit Plan Disclosure [Line Items]        
Contributions by employer $ 0 $ 0 $ 0 $ 0
Estimated future employer contributions in remainder of current fiscal year     0  
Non-U.S. Defined Benefit Plans        
Defined Benefit Plan Disclosure [Line Items]        
Contributions by employer $ 8 $ 9 15 $ 19
Estimated future employer contributions in remainder of current fiscal year     $ 17