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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS, Funded Status (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Non-U.S. Plans | Pension Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year $ 825 $ 855  
Actual return on plan assets 85 (9)  
Employer contributions 21 21  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 1 0  
Benefits paid 29 26  
Settlements 0    
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement   5  
Currency impact 8 (21)  
Fair Value Balance, end of year 911 825 $ 855
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 913 935  
Service cost 20 20 19
Interest cost 14 13 12
Participant's contributions 1 0  
Plan amendment 0 1  
Actuarial (gain) loss 143 (6)  
Benefits paid 29 27  
Currency impact 5 (23)  
Benefit Obligation Balance, end of year 1,067 913 935
Funded status of plan [Abstract]      
Funded status of plan (156) (88)  
Actuarial (gains) losses (330) (263)  
Prior service costs (benefits) 0 0  
Total 330 263  
U.S. Plan | Pension Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year 401 414  
Actual return on plan assets 50 8  
Employer contributions 0 0  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 0 0  
Benefits paid 19 21  
Settlements 0 0  
Currency impact 0 0  
Fair Value Balance, end of year 432 401 414
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 420 445  
Service cost 0 0 0
Interest cost 18 16 15
Participant's contributions 0 0  
Plan amendment 0 0  
Actuarial (gain) loss 74 (19)  
Benefits paid 21 22  
Currency impact 0 0  
Benefit Obligation Balance, end of year 491 420 445
Funded status of plan [Abstract]      
Funded status of plan (59) (19)  
Actuarial (gains) losses (115) (65)  
Prior service costs (benefits) 0 0  
Total 115 65  
U.S. Plan | Post-Retirement Benefit Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year 90 95  
Actual return on plan assets 11 1  
Employer contributions 0 0  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 0 0  
Benefits paid 6 6  
Settlements 0 0  
Currency impact 0 0  
Fair Value Balance, end of year 95 90 95
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 87 97  
Service cost 0 1 1
Interest cost 4 3 3
Participant's contributions 0 0  
Plan amendment 0 0  
Actuarial (gain) loss 9 (7)  
Benefits paid 6 7  
Currency impact 0 0  
Benefit Obligation Balance, end of year 94 87 $ 97
Funded status of plan [Abstract]      
Funded status of plan 1 3  
Actuarial (gains) losses (10) (10)  
Prior service costs (benefits) (12) (20)  
Total (2) (10)  
Other Assets [Member] | Non-U.S. Plans | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 106 95  
Other Assets [Member] | U.S. Plan | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 0 0  
Other Assets [Member] | U.S. Plan | Post-Retirement Benefit Plan      
Funded status of plan [Abstract]      
Funded status of plan 1 3  
Employee compensation and benefits [Member] | Non-U.S. Plans | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 0 0  
Employee compensation and benefits [Member] | U.S. Plan | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 1 1  
Employee compensation and benefits [Member] | U.S. Plan | Post-Retirement Benefit Plan      
Funded status of plan [Abstract]      
Funded status of plan 0 0  
Retirement and post-retirement benefits | Non-U.S. Plans | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 262 183  
Retirement and post-retirement benefits | U.S. Plan | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 58 18  
Retirement and post-retirement benefits | U.S. Plan | Post-Retirement Benefit Plan      
Funded status of plan [Abstract]      
Funded status of plan $ 0 $ 0