Receivables - Retail Note Installments (Details) - Retail notes - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Unrestricted
Receivable Installments, Due in Months:
Receivables, due in 0 - 12 months	$ 4,224.6	$ 4,568.6
Receivables, due in 13 - 24 months	3,258.3	3,606.8
Receivables, due in 25 - 36 months	2,503.7	2,873.6
Receivables, due in 37 - 48 months	1,665.0	1,944.6
Receivables, due in 49 - 60 months	869.4	1,007.8
Receivables, Over 60 months	206.5	192.3
Receivables, Gross	12,727.5	14,193.7
Securitized
Receivable Installments, Due in Months:
Receivables, due in 0 - 12 months	2,268.6	2,057.1
Receivables, due in 13 - 24 months	1,535.5	1,417.5
Receivables, due in 25 - 36 months	931.3	921.4
Receivables, due in 37 - 48 months	407.8	425.9
Receivables, due in 49 - 60 months	84.2	94.9
Receivables, Over 60 months	7.3	5.3
Receivables, Gross	$ 5,234.7	$ 4,922.1