Retirement, Pension and Other Postretirement Plans - Allocation of Pension Plan Assets (Detail) - Pension Plans	Oct. 31, 2021	Oct. 31, 2020
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	13.00%	11.00%
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	46.00%	49.00%
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	51.00%	54.00%
Pooled investment funds | United States
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	41.00%	39.00%
Pooled investment funds | International
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	48.00%	44.00%
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	1.00%	2.00%