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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS, Financial Statement Location (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2021 | Oct. 31, 2020
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract] |  |
Actuarial gain (loss) | $ (9) | $ (13)
Pension Plan | Non-U.S. Plans |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | (7) | (149)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract] |  |
Actuarial (gains) losses | 149 | 311
Prior service costs (benefits) | 0 | 0
Total | 149 | 311
Actuarial gain (loss) | 2 | (19)
Pension Plan | Non-U.S. Plans | Other Assets |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 160 | 123
Pension Plan | Non-U.S. Plans | Employee compensation and benefits [Member] |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 0 | 0
Pension Plan | Non-U.S. Plans | Retirement and post-retirement benefits |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | (167) | (272)
Pension Plan | U.S. Plan |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 39 | (71)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract] |  |
Actuarial (gains) losses | 36 | 134
Prior service costs (benefits) | 0 | 0
Total | 36 | 134
Actuarial gain (loss) | 15 | 28
Pension Plan | U.S. Plan | Other Assets |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 46 | 0
Pension Plan | U.S. Plan | Employee compensation and benefits [Member] |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | (1) | (1)
Pension Plan | U.S. Plan | Retirement and post-retirement benefits |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | (6) | (70)
Post-Retirement Benefit Plan | U.S. Plan |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 32 | (1)
Amounts Recognized in Accumulated Other Comprehensive Income (loss): [Abstract] |  |
Actuarial (gains) losses | (23) | 11
Prior service costs (benefits) | (4) | (5)
Total | (27) | 6
Actuarial gain (loss) | (8) | 4
Post-Retirement Benefit Plan | U.S. Plan | Other Assets |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 32 | 0
Post-Retirement Benefit Plan | U.S. Plan | Employee compensation and benefits [Member] |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | 0 | 0
Post-Retirement Benefit Plan | U.S. Plan | Retirement and post-retirement benefits |  |
Amounts recognized in the consolidated balance sheet |  |
Funded status of plan | $ 0 | $ (1)

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 gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + 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 (a)(4) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income from prior service cost (credit) of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: 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=123450688&loc=d3e4179-114921 + Details
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