Derivative Instruments (Details 4) (USD $) In Millions, unless otherwise specified	Apr. 30, 2015	Oct. 31, 2014	Apr. 30, 2014
Fair Value of Derivative Instruments
Total derivative assets	$ 326.8	$ 306.9	$ 286.3
Total derivative liabilities	73.5	83.8	139.7
Designated as Hedging Instruments | Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	178.6	148.1	118.9
Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	91.5	107.5	118.2
Designated as Hedging Instruments | Interest Rate Contracts | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	14.4	35.3	91.9
Not Designated as Hedging Instruments | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	50.2	38.4	36.6
Not Designated as Hedging Instruments | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	6.5	12.9	12.6
Not Designated as Hedging Instruments | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	17.9	16.9	15.4
Not Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	41.2	31.6	32.4
Not Designated as Hedging Instruments | Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	37.8	35.6	34.5
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	5.9	9.8	9.7
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	17.9	16.9	15.1
Not Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	21.5	23.0	24.7
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	0.6	3.1	2.9
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	19.7	8.6	7.7
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	12.4	2.8	2.1
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Other Payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities			$ 0.3