Sales and Revenues - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Entity Wide Information Revenue From External Customer [Line Items]
Term used to calculate historical weighted average return rate			8 years
Payment to acquire commitment value			$ 1,074,700,000
Payment to acquire commitment related to lease value			199,000,000.0
Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Total Operating lease revenue	$ 199,700,000	$ 212,100,000	403,300,000	$ 421,500,000
Financing receivable, recorded investment, 90 days past due and still accruing	0		0		$ 0
Trucks | Truck Sales
Entity Wide Information Revenue From External Customer [Line Items]
Total Operating lease revenue	22,000,000.0	$ 29,700,000	49,900,000	$ 50,300,000
Deferred revenue	72,700,000		72,700,000
Deferred revenue recognize, in 2022	16,300,000		16,300,000
Deferred revenue recognize, in 2023	23,700,000		23,700,000
Deferred revenue recognize, in 2024	14,900,000		14,900,000
Deferred revenue recognize, in 2025	12,100,000		12,100,000
Deferred revenue recognize, in 2026	$ 5,700,000		$ 5,700,000
Minimum
Entity Wide Information Revenue From External Customer [Line Items]
Lease and guarantee periods (in years)			3 years
Minimum | Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Finance leases, lease term			3 years
Operating lease term	3 years		3 years
Maximum
Entity Wide Information Revenue From External Customer [Line Items]
Lease and guarantee periods (in years)			5 years
Warranty period			5 years
Maximum | Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Finance leases, lease term			5 years
Operating lease term	5 years		5 years