Derivative Instruments - Fair Value (Details) - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Fair Value of Derivative Instruments
Total derivative assets	$ 301.1	$ 348.1
Total derivative liabilities	28.3	47.9
Designated as hedges | Interest rate contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	226.0	207.2
Designated as hedges | Interest rate contracts | Other assets
Fair Value of Derivative Instruments
Total derivative assets	34.7	80.9
Designated as hedges | Interest rate contracts | Other payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	10.2	7.1
Not Designated as Hedging Instruments | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	26.0	45.9
Not Designated as Hedging Instruments | Other assets
Fair Value of Derivative Instruments
Total derivative assets	14.4	14.1
Not Designated as Hedging Instruments | Other payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	13.8	15.4
Not Designated as Hedging Instruments | Accounts payable and accrued expenses
Fair Value of Derivative Instruments
Total derivative liabilities	4.3	25.4
Not Designated as Hedging Instruments | Interest rate contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	15.8	34.4
Not Designated as Hedging Instruments | Interest rate contracts | Other assets
Fair Value of Derivative Instruments
Total derivative assets	0.6	2.8
Not Designated as Hedging Instruments | Interest rate contracts | Other payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities	13.8	15.3
Not Designated as Hedging Instruments | Interest rate contracts | Accounts payable and accrued expenses
Fair Value of Derivative Instruments
Total derivative liabilities		19.8
Not Designated as Hedging Instruments | Foreign exchange contracts | Other assets
Fair Value of Derivative Instruments
Total derivative assets	13.8	11.3
Not Designated as Hedging Instruments | Foreign exchange contracts | Accounts payable and accrued expenses
Fair Value of Derivative Instruments
Total derivative liabilities	4.3	5.6
Not Designated as Hedging Instruments | Cross-currency interest rate contracts | Receivables from John Deere
Fair Value of Derivative Instruments
Total derivative assets	$ 10.2	11.5
Not Designated as Hedging Instruments | Cross-currency interest rate contracts | Other payables to John Deere
Fair Value of Derivative Instruments
Total derivative liabilities		$ 0.1