Summary of Non-Accrual Loans and Finance Leases with Specific Reserve and No Specific Reserve (Details) - Financial Services - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Amortized cost basis with Loans/leases specific reserve	$ 37.5	$ 46.0
Amortized cost basis with Loans/leases no specific reserve	16.9	5.8
Total	54.4	51.8
Dealer | Retail
Financing Receivable, Impaired [Line Items]
Amortized cost basis with Loans/leases no specific reserve	0.7	1.1
Total	0.7	1.1
Customer Retail | Fleet
Financing Receivable, Impaired [Line Items]
Amortized cost basis with Loans/leases specific reserve	33.9	40.3
Amortized cost basis with Loans/leases no specific reserve	16.2	4.7
Total	50.1	45.0
Customer Retail | Owner/Operator
Financing Receivable, Impaired [Line Items]
Amortized cost basis with Loans/leases specific reserve	3.6	5.7
Total	$ 3.6	$ 5.7