Fair Value Measurements (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Assets and liabilities measured at fair value
Total Receivables - net	$ 30,393.5	$ 28,721.9
Fair Value, Nonrecurring Measurements | Level 3
Assets and liabilities measured at fair value
Total Receivables - net	5.3	14.3
(Gains) losses on fair value of receivables	(1.8)	3.7	0.6
Fair Value, Nonrecurring Measurements | Level 3 | Retail notes
Assets and liabilities measured at fair value
Total Receivables - net	5.3
(Gains) losses on fair value of receivables	1.7
Fair Value, Nonrecurring Measurements | Level 3 | Revolving charge accounts
Assets and liabilities measured at fair value
(Gains) losses on fair value of receivables	0.2		0.5
Fair Value, Nonrecurring Measurements | Level 3 | Wholesale receivables
Assets and liabilities measured at fair value
(Gains) losses on fair value of receivables			0.1
Fair Value, Nonrecurring Measurements | Level 3 | Operating loans
Assets and liabilities measured at fair value
Total Receivables - net		14.3
(Gains) losses on fair value of receivables	$ (3.7)	$ 3.7