Commitments and Contingencies - Commitments (Details) $ in Millions	Aug. 02, 2020 USD ($)
Limited Liability Company John Deere Financial
Commitments
Unused commitments	$ 204.2
John Deere dealers
Commitments
Unused commitments	8,500.0
Customers
Commitments
Unused commitments	$ 28,100.0
Minimum percentage of unused commitments to extend credit to customers that relate to revolving charge accounts	95.00%