Retirement, Pension and Other Postretirement Plans - Allocation of Pension Plan Assets (Detail) - Pension Plans	Oct. 31, 2025	Oct. 31, 2024
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	6.00%	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	44.00%	45.00%
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	17.00%	17.00%
Pooled investment funds | UNITED STATES
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	50.00%	51.00%
Pooled investment funds | International
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	81.00%	82.00%
Other | UNITED STATES
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	0.00%	1.00%
Other | International
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	2.00%	1.00%