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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS, Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Pension Plan | U.S. Plan      
Fair value of plan assets [Abstract]      
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets $ 510 $ 491  
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. 439 432  
Projected benefit obligation and fair value of plan assets [Abstract]      
Defined Benefit obligation where Fair Value exceeds Pension benefit obligation 0 0  
Fair Value of plan assets where fair value exceeds pension benefit obligation 0 0  
Benefit Obligation 510 491 $ 420
Accumulated benefit obligation and fair value of plan assets      
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation 510 491  
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets 439 432  
Accumulated Benefit Obligation where Fair Value of plan Assets exceeds ABO 0 0  
Fair value of plan assets for defined benefit pension plan where the fair value of plan assets exceeds ABO. 0 0  
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year 0    
Fair Value of Plan Assets 439 432 401
Net asset value excluded from fair value by input 321 304  
Assets for Plan Benefits, Defined Benefit Plan 439    
Pension Plan | U.S. Plan | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 1 1  
Net asset value excluded from fair value by input 1 1  
Pension Plan | U.S. Plan | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Net asset value excluded from fair value by input   258  
Pension Plan | U.S. Plan | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 357 336  
Net asset value excluded from fair value by input 280    
Pension Plan | U.S. Plan | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 79 91  
Net asset value excluded from fair value by input 40 45  
Pension Plan | U.S. Plan | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 2 4  
Net asset value excluded from fair value by input 0 0  
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets   124  
Assets for Plan Benefits, Defined Benefit Plan 116    
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 77 78  
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 39 46  
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3)      
Defined Benefit plan, change in fair value of plan assets, significant unobservable inputs (Level 3) (Roll Forward]      
Balance, beginning of year 4 6  
Realized gains/(losses) (3) 1  
Unrealized gains/(losses) (2) 1  
Purchases, sales, issuances, and settlements (1) (2)  
Transfers in (out) 0 0  
Balance, end of year 2 4  
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets   4  
Assets for Plan Benefits, Defined Benefit Plan 2    
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets   0  
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0    
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 2 4  
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets   0  
Assets for Plan Benefits, Defined Benefit Plan 0    
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets   0  
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0    
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans      
Fair value of plan assets [Abstract]      
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets 697 752  
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. 425 490  
Projected benefit obligation and fair value of plan assets [Abstract]      
Total projected benefit obligation - aggregate benefit obligation 1,094 1,067  
Defined Benefit obligation where Fair Value exceeds Pension benefit obligation 397 315  
Fair Value of plan assets where fair value exceeds pension benefit obligation 520 421  
Benefit Obligation 1,094 1,067 913
Accumulated benefit obligation and fair value of plan assets      
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation 675 651  
Total accumulated benefit obligation - aggregate benefit obligation 1,062 1,032  
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets 425 418  
Accumulated Benefit Obligation where Fair Value of plan Assets exceeds ABO 387 381  
Fair value of plan assets for defined benefit pension plan where the fair value of plan assets exceeds ABO. 520 493  
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year 22    
Fair Value of Plan Assets 945 911 825
Net asset value excluded from fair value by input 236 220  
Pension Plan | Non-U.S. Plans | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 7 1  
Net asset value excluded from fair value by input 1 0  
Pension Plan | Non-U.S. Plans | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 504 512  
Net asset value excluded from fair value by input 141 133  
Pension Plan | Non-U.S. Plans | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 434 398  
Net asset value excluded from fair value by input 94 87  
Pension Plan | Non-U.S. Plans | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Net asset value excluded from fair value by input 0 0  
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 417 416  
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 315 318  
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 102 98  
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 292 275  
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 6 1  
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Defined Benefit Plan, Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 48 61  
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 238 213  
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan      
Projected benefit obligation and fair value of plan assets [Abstract]      
Benefit Obligation 94 94 87
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 93 95 $ 90
Net asset value excluded from fair value by input 66 64  
Post-Retirement Benefit Plan | U.S. Plan | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 4 3  
Net asset value excluded from fair value by input 4 3  
Post-Retirement Benefit Plan | U.S. Plan | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 70 69  
Net asset value excluded from fair value by input 53 51  
Post-Retirement Benefit Plan | U.S. Plan | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 18 21  
Net asset value excluded from fair value by input 9 10  
Post-Retirement Benefit Plan | U.S. Plan | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 1 2  
Net asset value excluded from fair value by input 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 26 29  
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 17 18  
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 9 11  
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3)      
Defined Benefit plan, change in fair value of plan assets, significant unobservable inputs (Level 3) (Roll Forward]      
Balance, beginning of year 2 4  
Realized gains/(losses) (1) 1  
Unrealized gains/(losses) (1) 0  
Purchases, sales, issuances, and settlements (1) (1)  
Transfers in (out) 0 0  
Balance, end of year 1 2  
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 1 2  
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 1 2  
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2)      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Equity Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Fixed Income Securities      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets 0 0  
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Other Investments      
Accumulated benefit obligation and fair value of plan assets      
Fair Value of Plan Assets $ 0 $ 0