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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 |

X
- Definition The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan, recognized in other comprehensive income. + References No definition available. + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 + Details
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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