RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS, Fair Value of Plan Assets (Details) - USD ($) $ in Millions | 12 Months Ended | |
Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019 |
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 | $ 7 | $ 510 | |
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. | 0 | 439 | |
Projected benefit obligation and fair value of plan assets [Abstract] | | | |
Defined Benefit obligation where Fair Value exceeds Pension benefit obligation | 505 | 0 | |
Fair Value of plan assets where fair value exceeds pension benefit obligation | 551 | 0 | |
Benefit Obligation | 512 | 510 | $ 491 |
Accumulated benefit obligation and fair value of plan assets | | | |
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 7 | 510 | |
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 0 | 439 | |
Accumulated Benefit Obligation where Fair Value of plan Assets exceeds ABO | 505 | 0 | |
Fair value of plan assets for defined benefit pension plan where the fair value of plan assets exceeds ABO. | 551 | 0 | |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 0 | | |
Fair Value of Plan Assets | 551 | 439 | 432 |
Net asset value excluded from fair value by input | 485 | 321 | |
Assets for Plan Benefits, Defined Benefit Plan | 551 | | |
Pension Plan | U.S. Plan | Cash and Cash Equivalents | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 2 | 1 | |
Net asset value excluded from fair value by input | 2 | 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 | | 280 | |
Pension Plan | U.S. Plan | Defined Benefit Plan, Equity Securities | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 276 | 357 | |
Net asset value excluded from fair value by input | 214 | | |
Pension Plan | U.S. Plan | Fixed Income Securities | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 271 | 79 | |
Net asset value excluded from fair value by input | 269 | 40 | |
Pension Plan | U.S. Plan | Other Investments | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 2 | 2 | |
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 | | 116 | |
Assets for Plan Benefits, Defined Benefit Plan | 64 | | |
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 | 62 | 77 | |
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 | 2 | 39 | |
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 | 2 | 4 | |
Realized gains/(losses) | 1 | (3) | |
Unrealized gains/(losses) | 0 | 2 | |
Purchases, sales, issuances, and settlements | (1) | (1) | |
Transfers in (out) | 0 | 0 | |
Balance, end of year | 2 | 2 | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | | 2 | |
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 | 2 | |
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 | 691 | 697 | |
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. | 524 | 425 | |
Projected benefit obligation and fair value of plan assets [Abstract] | | | |
Total projected benefit obligation - aggregate benefit obligation | 1,100 | 1,094 | |
Defined Benefit obligation where Fair Value exceeds Pension benefit obligation | 409 | 397 | |
Fair Value of plan assets where fair value exceeds pension benefit obligation | 569 | 520 | |
Benefit Obligation | 1,100 | 1,094 | 1,067 |
Accumulated benefit obligation and fair value of plan assets | | | |
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 668 | 675 | |
Total accumulated benefit obligation - aggregate benefit obligation | 1,068 | 1,062 | |
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 524 | 425 | |
Accumulated Benefit Obligation where Fair Value of plan Assets exceeds ABO | 400 | 387 | |
Fair value of plan assets for defined benefit pension plan where the fair value of plan assets exceeds ABO. | 569 | 520 | |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 19 | | |
Fair Value of Plan Assets | 1,093 | 945 | 911 |
Net asset value excluded from fair value by input | 284 | 236 | |
Pension Plan | Non-U.S. Plans | Cash and Cash Equivalents | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 25 | 7 | |
Net asset value excluded from fair value by input | 1 | 1 | |
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 | 557 | 504 | |
Net asset value excluded from fair value by input | 165 | 141 | |
Pension Plan | Non-U.S. Plans | Fixed Income Securities | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 511 | 434 | |
Net asset value excluded from fair value by input | 118 | 94 | |
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 | 531 | 417 | |
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 | 380 | 315 | |
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 | 151 | 102 | |
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 | 278 | 292 | |
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 | 24 | 6 | |
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 | 12 | 48 | |
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 | 242 | 238 | |
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 | 84 | 94 | 94 |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 116 | 93 | $ 95 |
Net asset value excluded from fair value by input | 102 | 66 | |
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 | 3 | 4 | |
Net asset value excluded from fair value by input | 3 | 4 | |
Post-Retirement Benefit Plan | U.S. Plan | Equity Securities | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 55 | 70 | |
Net asset value excluded from fair value by input | 42 | 53 | |
Post-Retirement Benefit Plan | U.S. Plan | Fixed Income Securities | | | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 57 | 18 | |
Net asset value excluded from fair value by input | 57 | 9 | |
Post-Retirement Benefit Plan | U.S. Plan | Other Investments | | | |
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 | 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 | 13 | 26 | |
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 | 13 | 17 | |
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 | 0 | 9 | |
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 | 1 | 2 | |
Realized gains/(losses) | 1 | (1) | |
Unrealized gains/(losses) | 0 | 1 | |
Purchases, sales, issuances, and settlements | (1) | (1) | |
Transfers in (out) | 0 | 0 | |
Balance, end of year | 1 | 1 | |
Accumulated benefit obligation and fair value of plan assets | | | |
Fair Value of Plan Assets | 1 | 1 | |
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 | 1 | |
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 | |