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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual) - Pension Plan [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Domestic Plan [Member]        
Defined Benefit Plans Contributions        
Contributions to defined benefit plans $ 0 $ 0 $ 0 $ 0
Estimated future employer contributions in remainder of current fiscal year 0   0  
Foreign Plan [Member]        
Defined Benefit Plans Contributions        
Contributions to defined benefit plans 5 $ 5 11 $ 11
Estimated future employer contributions in remainder of current fiscal year $ 15   $ 15