Commitments and Contingencies - Commitments (Details) $ in Millions	Nov. 03, 2019 USD ($)
Limited Liability Company John Deere Financial
Commitments
Unused commitments	$ 43.6
John Deere dealers
Commitments
Unused commitments	7,700.0
Customers
Commitments
Unused commitments	$ 28,000.0
Minimum percentage of unused commitments to extend credit to customers that relate to revolving charge accounts	95.00%