Fair Value Measurements (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	$ 595.5	$ 439.5
Derivative liabilities	131.3	111.3
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
Total assets	595.5	439.5
Total liabilities	131.3	111.3
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest rate contracts | Receivable from John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	355.8	168.4
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	227.6	268.6
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	25.3	19.6
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	41.3	37.0
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	1.9
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	5.4	47.6
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-currency interest rate contracts | Receivable from John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	9.9	0.9
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-currency interest rate contracts | Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	0.3	1.6
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	2.9	1.4
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-currency interest rate contracts | Accounts Payable and Accrued Expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	$ 56.4	$ 5.7