Receivables - Financing Receivables Past Due (Details)	3 Months Ended
	Jan. 31, 2021
Receivable, Past Due
Minimum number of days for a receivable to be considered past due	30 days
COVID-19
Receivable, Past Due
Percentage of financing receivables granted relief (as a percent)	4.00%
Retail notes
Receivable, Past Due
Generally the number of days for a financing receivable to be considered non-performing	90 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off	120 days
Revolving charge accounts
Receivable, Past Due
Generally the number of days for a financing receivable to be considered non-performing	90 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off	120 days
Wholesale Receivables
Receivable, Past Due
Generally the number of days for a financing receivable to be considered non-performing	60 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off	60 days
Financing Leases
Receivable, Past Due
Generally the number of days for a financing receivable to be considered non-performing	90 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off	120 days