Finance and Other Receivables - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 66,400,000	$ 67,600,000
TDRs subsequently defaulted, amount	3,500,000	0
Repossessed inventory	80,900,000	30,400,000
Proceeds from the sales of repossessed assets	77,200,000	27,700,000	$ 20,800,000
Finance receivable modified with customers financial difficulty	$ 330,200,000	$ 55,200,000
ASU 2022-02
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable modifications weighted average term extension	6 months	19 months
Financial Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Dealer wholesale financing	$ 145,200,000	$ 133,000,000	121,100,000	$ 116,900,000
Dealer wholesale financing	$ 4,944,100,000	4,147,800,000
Financial Services | Financing Receivable | Maximum | Revenue Benchmark | Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of portfolio assets	5.00%
Dealer | Wholesale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Dealer wholesale financing	$ 3,000,000	2,700,000
Dealer | Wholesale | Financial Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Dealer wholesale financing	3,000,000	2,700,000	3,400,000	3,300,000
Dealer wholesale financing increased	$ 796,300,000
Financing receivable repayment period	1 year
Customer Retail | Financial Services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Dealer wholesale financing	$ 137,700,000	$ 125,100,000	$ 112,600,000	$ 104,400,000