Retirement, Pension and Other Postretirement Plans - Allocation of Pension Plan Assets (Detail) - Pension Plans [Member]	Oct. 31, 2017	Oct. 31, 2016
United States [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
International [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Equity Securities [Member] | United States [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	13.00%	15.00%
Debt Securities [Member] | United States [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	48.00%	31.00%
Insurance Contracts [Member] | International [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	56.00%	59.00%
Pooled Investment Funds [Member] | United States [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	39.00%	53.00%
Pooled Investment Funds [Member] | International [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	42.00%	39.00%
Other [Member] | United States [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations		1.00%
Other [Member] | International [Member]
Allocation of pension plan assets
Defined Benefit Plan, Actual Plan Asset Allocations	2.00%	2.00%