Fair Value Measurements (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Oct. 31, 2012
Assets and liabilities measured at fair value
Total Receivables	$ 24,503.0	$ 28,422.0	$ 24,503.0	$ 25,090.3
Fair Value, Nonrecurring Measurements | Level 3
Assets and liabilities measured at fair value
Total Receivables	0.8	14.6	0.8	0.1
Loss on fair value of receivables	0.3	3.8	0.8
Fair Value, Nonrecurring Measurements | Level 3 | Retail notes
Assets and liabilities measured at fair value
Total Receivables	0.8		0.8
Loss on fair value of receivables	0.3		0.3
Fair Value, Nonrecurring Measurements | Level 3 | Wholesale receivables
Assets and liabilities measured at fair value
Total Receivables				0.1
Loss on fair value of receivables		0.1	0.5
Fair Value, Nonrecurring Measurements | Level 3 | Operating loans
Assets and liabilities measured at fair value
Total Receivables		14.6
Loss on fair value of receivables		$ 3.7