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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, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Pension Plan | U.S. Plan |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | $ 432 | $ 401 | $ 414
Net asset value excluded from fair value by input | 304 | 285 |
Other assets | 432 | 401 |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets | 491 | 420 |
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. | 432 | 401 |
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 | 491 | 420 | 445
Accumulated benefit obligation and fair value of plan assets |  |  |
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 491 | 420 |
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 432 | 401 |
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 |
Pension Plan | U.S. Plan | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 1 | 4 |
Net asset value excluded from fair value by input | 1 | 4 |
Pension Plan | U.S. Plan | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 336 | 308 |
Net asset value excluded from fair value by input | 258 | 239 |
Pension Plan | U.S. Plan | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 91 | 83 |
Net asset value excluded from fair value by input | 45 | 42 |
Pension Plan | U.S. Plan | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 4 | 6 |
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) [Member] |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 124 | 105 |
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 78 | 69 |
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 46 | 36 |
Pension Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 4 | 6 |
Defined Benefit plan, change in fair value of plan assets, significant unobservable inputs (Level 3) (Roll Forward] |  |  |
Balance, beginning of year | 6 | 7 |
Realized gains/(losses) | (1) | 0 |
Unrealized gains/(losses) | (1) | 1 |
Purchases, sales, issuances, and settlements | (2) | (2) |
Transfers in (out) | 0 | 0 |
Balance, end of year | 4 | 6 |
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 4 | 6 |
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 5 |
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 5 |
Pension Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 | 0 |
Pension Plan | Non-U.S. Plans |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 911 | 825 | 855
Net asset value excluded from fair value by input | 220 | 161 |
Other assets | 911 | 825 |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets | 752 | 563 |
Fair value of plan assets for defined benefit plan with benefit obligation in excess of plan assets. | 490 | 380 |
Projected benefit obligation and fair value of plan assets [Abstract] |  |  |
Total projected benefit obligation - aggregate benefit obligation | 1,067 | 913 |
Defined Benefit obligation where Fair Value exceeds Pension benefit obligation | 315 | 350 |
Fair Value of plan assets where fair value exceeds pension benefit obligation | 421 | 445 |
Benefit Obligation | 1,067 | 913 | 935
Accumulated benefit obligation and fair value of plan assets |  |  |
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 651 | 543 |
Total accumulated benefit obligation - aggregate benefit obligation | 1,032 | 886 |
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 418 | 380 |
Accumulated Benefit Obligation where Fair Value of plan Assets exceeds ABO | 381 | 343 |
Fair value of plan assets for defined benefit pension plan where the fair value of plan assets exceeds ABO. | 493 | 445 |
Pension Plan | Non-U.S. Plans | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Net asset value excluded from fair value by input | 0 | 0 |
Other assets | 1 | 2 |
Pension Plan | Non-U.S. Plans | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Net asset value excluded from fair value by input | 133 | 131 |
Other assets | 512 | 489 |
Pension Plan | Non-U.S. Plans | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Net asset value excluded from fair value by input | 87 | 30 |
Other assets | 398 | 334 |
Pension Plan | Non-U.S. Plans | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Net asset value excluded from fair value by input | 0 | 0 |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 416 | 374 |
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 318 | 298 |
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 98 | 76 |
Pension Plan | Non-U.S. Plans | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Unobservable Inputs (Level 3) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 275 | 290 |
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 1 | 2 |
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 61 | 60 |
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 213 | 228 |
Pension Plan | Non-U.S. Plans | Significant Other Observable Inputs (Level 2) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Other assets | 0 | 0 |
Post-Retirement Benefit Plan | U.S. Plan |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 95 | 90 | 95
Net asset value excluded from fair value by input | 64 | 62 |
Other assets |  | 90 |
Projected benefit obligation and fair value of plan assets [Abstract] |  |  |
Benefit Obligation | 94 | 87 | $ 97
Post-Retirement Benefit Plan | U.S. Plan | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 3 |  |
Net asset value excluded from fair value by input | 3 | 3 |
Other assets |  | 3 |
Post-Retirement Benefit Plan | U.S. Plan | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 69 |  |
Net asset value excluded from fair value by input | 51 | 50 |
Other assets |  | 65 |
Post-Retirement Benefit Plan | U.S. Plan | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 21 |  |
Net asset value excluded from fair value by input | 10 | 9 |
Other assets |  | 18 |
Post-Retirement Benefit Plan | U.S. Plan | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 2 |  |
Net asset value excluded from fair value by input | 0 | 0 |
Other assets |  | 4 |
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 29 |  |
Other assets |  | 24 |
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 18 |  |
Other assets |  | 15 |
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 11 |  |
Other assets |  | 9 |
Post-Retirement Benefit Plan | U.S. Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 2 |  |
Other assets |  | 4 |
Defined Benefit plan, change in fair value of plan assets, significant unobservable inputs (Level 3) (Roll Forward] |  |  |
Balance, beginning of year | 4 | 4 |
Realized gains/(losses) | (1) | 0 |
Unrealized gains/(losses) | 0 | 1 |
Purchases, sales, issuances, and settlements | (1) | (1) |
Transfers in (out) | 0 | 0 |
Balance, end of year | 2 | 4 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Unobservable Inputs (Level 3) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 2 |  |
Other assets |  | 4 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Cash and Cash Equivalents |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Equity Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Fixed Income Securities |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | 0 |  |
Other assets |  | 0 |
Post-Retirement Benefit Plan | U.S. Plan | Significant Other Observable Inputs (Level 2) | Other Investments |  |  |
Fair value of plan assets [Abstract] |  |  |
Fair Value of Plan Assets | $ 0 |  |
Other assets |  | $ 0 |

X
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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References No definition available. + Details
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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References No definition available. + Details
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- Definition Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920 + Details
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