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Retirement, Pension and Other Postretirement Plans - Allocation of Pension Plan Assets (Detail) - Pension Plans | Oct. 31, 2023 | Oct. 31, 2022
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UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 100.00% | 100.00%
International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 100.00% | 100.00%
Equity securities | UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 3.00% | 3.00%
Equity securities | International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 0.00% | 0.00%
Debt securities | UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 43.00% | 42.00%
Debt securities | International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 0.00% | 0.00%
Insurance contracts | UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 0.00% | 0.00%
Insurance contracts | International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 31.00% | 47.00%
Pooled investment funds | UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 53.00% | 54.00%
Pooled investment funds | International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 67.00% | 51.00%
Other | UNITED STATES |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 1.00% | 1.00%
Other | International |  |
Allocation of pension plan assets |  |
Defined Benefit Plan, Actual Plan Asset Allocations | 2.00% | 2.00%

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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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