Derivative Instruments (Details 4) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014	Jan. 31, 2014
Fair Value of Derivative Instruments
Total derivative assets	$ 474.5	$ 306.9	$ 329.7
Total derivative liabilities	51.6	83.8	144.0
Designated as Hedging Instruments | Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	276.9	148.1	130.4
Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	116.2	107.5	140.1
Designated as Hedging Instruments | Interest Rate Contracts | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	6.6	35.3	94.6
Not Designated as Hedging Instruments | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	49.7	38.4	38.9
Not Designated as Hedging Instruments | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	31.7	12.9	20.3
Not Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	29.5	31.6	35.5
Not Designated as Hedging Instruments | Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	39.3	35.6	34.7
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	6.0	9.8	7.2
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	15.5	16.9	13.9
Not Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	27.1	23.0	29.3
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	25.7	3.1	13.0
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	2.4	8.6	6.2
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	10.4	2.8	4.2
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets			$ 0.1