Finance Receivables - Finance Revenues (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Finance Revenues [Line Items]
Retail Notes And Finance Leases Revenue	$ 17	$ 21
Gross finance revenues	55	59
Revenue from Related Parties	(16)	(20)
Finance revenues	39	39
Financing Receivable [Member]
Finance Revenues [Line Items]
Operating Leases, Income Statement, Lease Revenue	14	12
Wholesale Portfolio [Member] | Notes Receivable [Member]
Finance Revenues [Line Items]
Interest Income, Operating	18	20
Retail And Wholesale Portfolios [Member]
Finance Revenues [Line Items]
Interest Income, Operating	$ 6	$ 6