Finance Receivables - Finance Revenues (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Finance Revenues [Line Items]
Retail notes and finance leases revenue	$ 16	$ 19	$ 49	$ 60
Gross finance revenues	60	61	172	178
Less: Intercompany revenues	(22)	(20)	(57)	(59)
Finance revenues	38	41	115	119
Financing Receivable [Member]
Finance Revenues [Line Items]
Operating lease revenue	15	13	44	37
Wholesale Portfolio [Member] | Notes Receivable [Member]
Finance Revenues [Line Items]
Interest Income, Operating	22	21	59	60
Retail And Wholesale Portfolios [Member]
Finance Revenues [Line Items]
Interest Income, Operating	$ 7	$ 8	$ 20	$ 21