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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Financial Statement Location) (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
U.S. Defined Benefit Plan    
Amounts recognized in the consolidated balance sheet [Abstract]    
Other assets $ 0 $ 0
Employee compensation and benefits (1) (1)
Retirement and post-retirement benefits (83) (22)
Net asset (liability) (84) (23)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract]    
Actuarial losses 97 44
Prior service cost (credits) (25) (32)
Total 72 12
Accumulated other comprehensive income expected to be recognized as components of net expense during the next fiscal year [Abstract]    
Amortization of net prior service cost (benefit) (7)  
Amortization of actuarial net loss (gain) 9  
Non-U.S. Defined Benefit Plan    
Amounts recognized in the consolidated balance sheet [Abstract]    
Other assets 57 48
Employee compensation and benefits 0 0
Retirement and post-retirement benefits (139) (159)
Net asset (liability) (82) (111)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract]    
Actuarial losses 430 408
Prior service cost (credits) (4) (3)
Total 426 405
Accumulated other comprehensive income expected to be recognized as components of net expense during the next fiscal year [Abstract]    
Amortization of net prior service cost (benefit) (1)  
Amortization of actuarial net loss (gain) 27  
U.S. Post-Retirement Benefit Plan    
Amounts recognized in the consolidated balance sheet [Abstract]    
Other assets 0 0
Employee compensation and benefits 0 0
Retirement and post-retirement benefits (44) (19)
Net asset (liability) (44) (19)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract]    
Actuarial losses 99 80
Prior service cost (credits) (76) (97)
Total 23 $ (17)
Accumulated other comprehensive income expected to be recognized as components of net expense during the next fiscal year [Abstract]    
Amortization of net prior service cost (benefit) (17)  
Amortization of actuarial net loss (gain) $ 20