Fair Value Measurements (Details 3) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Oct. 31, 2015	Jan. 31, 2015
Assets and liabilities measured at fair value
Receivables - net	$ 27,699.2	$ 28,982.6	$ 28,887.2
Equipment on operating leases - net	3,810.9	3,609.8	2,621.0
Fair Value, Nonrecurring Measurements | Level 3
Assets and liabilities measured at fair value
Equipment on operating leases - net	469.3	478.7
Losses, Equipment on operating leases - net	3.8
Other assets	125.9	96.2
Losses, Other assets	8.8
Total fair value	603.9	584.2	4.1
Total (gains) losses	12.6
Fair Value, Nonrecurring Measurements | Level 3 | Retail notes
Assets and liabilities measured at fair value
Receivables - net			$ 4.1
Fair Value, Nonrecurring Measurements | Level 3 | Wholesale receivables
Assets and liabilities measured at fair value
Receivables - net	8.0	8.7
Fair Value, Nonrecurring Measurements | Level 3 | Financing leases
Assets and liabilities measured at fair value
Receivables - net	$ 0.7	$ 0.6