Fair Value Measurements (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Assets and liabilities measured at fair value
Total Receivables - net	$ 28,887.2	$ 28,164.8	$ 30,393.5
Fair Value, Nonrecurring Measurements | Level 3
Assets and liabilities measured at fair value
Total Receivables - net	4.1	14.0	5.3
(Gains) losses on fair value of receivables	0	0
Fair Value, Nonrecurring Measurements | Level 3 | Retail notes
Assets and liabilities measured at fair value
Total Receivables - net	4.1		5.3
Fair Value, Nonrecurring Measurements | Level 3 | Operating loans
Assets and liabilities measured at fair value
Total Receivables - net		$ 14.0