Fair Value Measurements (Details 2) - USD ($) $ in Millions	Jul. 31, 2015	Oct. 31, 2014	Jul. 31, 2014
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	$ 335.8	$ 306.9	$ 309.8
Derivative liabilities	64.1	83.8	101.8
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	335.8	306.9	309.8
Derivative liabilities	64.1	83.8	101.8
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest rate contracts | Receivables from John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	212.4	183.7	167.1
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest rate contracts | Other assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	102.5	117.3	137.2
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest rate contracts | Other payables to John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	38.4	52.2	70.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest rate contracts | Accounts payable and accrued expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	23.1	23.0	26.4
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Foreign exchange contracts | Other assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	8.2	3.1	4.5
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Foreign exchange contracts | Accounts payable and accrued expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	2.6	8.6	4.5
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-currency interest rate contracts | Receivables from John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	$ 12.7	$ 2.8	1.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-currency interest rate contracts | Other payables to John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities			$ 0.9