Employee Benefits - Weighted-Average Asset Allocations by Asset Category (Details)	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation	100.00%	100.00%	100.00%
Cash and cash equivalents
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation	2.00%	5.00%	11.80%
Equity mutual funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation	65.80%	62.80%	57.70%
Hedging Strategy Funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation	5.20%	4.70%	4.30%
Bond mutual funds
Defined Benefit Plan, Plan Assets, Allocation [Line Items]
Asset allocation	27.00%	27.50%	26.20%