Finance Receivables - Schedule of Finance Revenues (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019
Finance Revenues [Line Items]
Retail notes and finance leases revenue	$ 16	$ 14
Gross finance revenues	57	74
Intercompany Revenues	11	27
Finance Revenues, Net	44	47
Financing Receivable [Member]
Finance Revenues [Line Items]
Operating lease revenue	21	21
Wholesale Portfolio [Member] | Notes Receivable [Member]
Finance Revenues [Line Items]
Interest Income, Operating	16	31
Retail And Wholesale Portfolios [Member]
Finance Revenues [Line Items]
Interest Income, Operating	4	8
Financial Services Operations
Finance Revenues [Line Items]
Finance Revenues, Net	$ 46	$ 47