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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
Pensions (U.S. Plans)        
Defined Benefit Plans Contributions        
Contributions to defined benefit plans $ 25 $ 0 $ 25 $ 0
Estimated future employer contributions in remainder of current fiscal year 0      
Pensions (Non-U.S. Plans)        
Defined Benefit Plans Contributions        
Contributions to defined benefit plans 6 $ 9 $ 9 $ 13
Estimated future employer contributions in remainder of current fiscal year $ 12