Commitments and Contingencies - Commitments (Details) $ in Millions	May 03, 2020 USD ($)
Limited Liability Company John Deere Financial
Commitments
Unused commitments	$ 222.1
John Deere dealers
Commitments
Unused commitments	7,700.0
Customers
Commitments
Unused commitments	$ 29,000.0
Minimum percentage of unused commitments to extend credit to customers that relate to revolving charge accounts	95.00%