Equipment on Operating Leases - Additional Information (Detail) $ in Millions	Dec. 31, 2024 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Minimum lease payments receivable for operating leases, in 2025	$ 20.2
Minimum lease payments receivable for operating leases, in 2026	18.0
Minimum lease payments receivable for operating leases, in 2027	14.1
Minimum lease payments receivable for operating leases, in 2028	9.2
Minimum lease payments receivable for operating leases, in 2029	5.4
Minimum lease payments receivable for operating leases, thereafter	13.0
Financial Services
Property Subject to or Available for Operating Lease [Line Items]
Minimum lease payments receivable for operating leases, in 2025	506.9
Minimum lease payments receivable for operating leases, in 2026	370.4
Minimum lease payments receivable for operating leases, in 2027	260.0
Minimum lease payments receivable for operating leases, in 2028	152.6
Minimum lease payments receivable for operating leases, in 2029	57.9
Minimum lease payments receivable for operating leases, thereafter	13.1
Truck, Parts and Other
Property Subject to or Available for Operating Lease [Line Items]
Annual amortization of deferred lease revenues, in 2025	9.0
Annual amortization of deferred lease revenues, in 2026	5.5
Annual amortization of deferred lease revenues, in 2027	3.3
Annual amortization of deferred lease revenues, in 2028	2.3
Annual maturities of the residual value guarantees, in 2025	41.5
Annual maturities of the residual value guarantees, in 2026	9.0
Annual maturities of the residual value guarantees, in 2027	6.5
Annual maturities of the residual value guarantees, in 2028	2.4
Annual maturities of the residual value guarantees, in 2029	$ 0.8