Fair Value Measurements (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013	Oct. 31, 2013
Assets and liabilities measured at fair value
Total Receivables	$ 30,247.9	$ 27,218.3	$ 30,247.9	$ 27,218.3	$ 28,721.9
Fair Value, Nonrecurring Measurements | Level 3
Assets and liabilities measured at fair value
Total Receivables	8.1	15.0	8.1	15.0	14.3
(Gains) losses on fair value of receivables	(1.9)	3.7	(1.9)	3.8
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	8.1	15.0	8.1	15.0	14.3
(Gains) losses on fair value of receivables	$ (1.9)	$ 3.7	$ (1.9)	$ 3.7