Receivables (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Retail Notes - Unrestricted
Receivable Installments, Due in Months:
Receivables, due in 0 - 12 months	$ 3,882.0	$ 3,605.0
Receivables, due in 13 - 24 months	3,036.6	2,762.5
Receivables, due in 25 - 36 months	2,445.2	2,200.4
Receivables, due in 37 - 48 months	1,743.4	1,558.4
Receivables, due in 49 - 60 months	1,072.2	928.7
Receivables, Over 60 months	216.6	202.9
Receivables, Gross	12,396.0	11,257.9
Retail Notes - Securitized
Receivable Installments, Due in Months:
Receivables, due in 0 - 12 months	1,437.1	1,192.4
Receivables, due in 13 - 24 months	1,004.5	806.8
Receivables, due in 25 - 36 months	711.9	523.6
Receivables, due in 37 - 48 months	398.9	305.4
Receivables, due in 49 - 60 months	120.2	119.0
Receivables, Over 60 months	6.8	12.3
Receivables, Gross	$ 3,679.4	$ 2,959.5