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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS, Funded Status (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Non-U.S. Plans | Pension Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year $ 911 $ 825  
Actual return on plan assets (2) 85  
Employer contributions 32 21  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 1 1  
Benefits paid 31 29  
Settlements 0 0  
Currency impact 34 8  
Fair Value Balance, end of year 945 911 $ 825
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 1,067 913  
Service cost 24 20 20
Interest cost 8 14 13
Participant's contributions 1 1  
Actuarial (gain) loss (19) 143  
Benefits paid 31 29  
Settlement 0 0  
Currency impact 44 5  
Benefit Obligation Balance, end of year 1,094 1,067 913
Funded status of plan [Abstract]      
Funded status of plan (149) (156)  
Actuarial (gains) losses (311) (330)  
Prior service costs (benefits) 0 0  
Total 311 330  
U.S. Plan | Pension Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year 432 401  
Actual return on plan assets 30 50  
Employer contributions 0 0  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 0 0  
Benefits paid 8 19  
Settlements 15 0  
Currency impact 0 0  
Fair Value Balance, end of year 439 432 401
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 491 420  
Service cost 0 0 0
Interest cost 15 18 16
Participant's contributions 0 0  
Actuarial (gain) loss 28 74  
Benefits paid 9 21  
Settlement (15) 0  
Currency impact 0 0  
Benefit Obligation Balance, end of year 510 491 420
Funded status of plan [Abstract]      
Funded status of plan (71) (59)  
Actuarial (gains) losses (134) (115)  
Prior service costs (benefits) 0 0  
Total 134 115  
U.S. Plan | Post-Retirement Benefit Plan      
Change in fair value of plan assets: [Roll Forward]      
Fair Value Balance, beginning of year 95 90  
Actual return on plan assets 6 11  
Employer contributions 0 0  
Defined Benefit Plan, Plan Assets, Contributions by Plan Participant 0 0  
Benefits paid 8 6  
Settlements 0 0  
Currency impact 0 0  
Fair Value Balance, end of year 93 95 90
Change in benefit obligation: [Roll Forward]      
Benefit Obligation Balance, Beginning of year 94 87  
Service cost 1 0 1
Interest cost 3 4 3
Participant's contributions 0 0  
Actuarial (gain) loss 4 9  
Benefits paid 8 6  
Settlement 0 0  
Currency impact 0 0  
Benefit Obligation Balance, end of year 94 94 $ 87
Funded status of plan [Abstract]      
Funded status of plan (1) 1  
Actuarial (gains) losses (11) (10)  
Prior service costs (benefits) (5) (12)  
Total 6 (2)  
Other Assets | Non-U.S. Plans | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 123 106  
Other Assets | U.S. Plan | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 0 0  
Other Assets | U.S. Plan | Post-Retirement Benefit Plan      
Funded status of plan [Abstract]      
Funded status of plan 0 1  
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 272 262  
Retirement and post-retirement benefits | U.S. Plan | Pension Plan      
Funded status of plan [Abstract]      
Funded status of plan 70 58  
Retirement and post-retirement benefits | U.S. Plan | Post-Retirement Benefit Plan      
Funded status of plan [Abstract]      
Funded status of plan $ 1 $ 0