Notional maturities for all interest-rate contracts during fiscal year five.

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Notional maturities for all interest-rate contracts during fiscal year four.

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Notional maturities for all interest-rate contracts during fiscal year one.

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Notional maturities for all interest-rate contracts during fiscal year three.

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Notional maturities for all interest-rate contracts during fiscal year two.

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Notional maturities for all interest-rate contracts maturing thereafter.

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective fair value hedge that is amortized upon discontinuation of the fair value hedge.

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Nominal or face amount used to calculate payments on the derivative asset.

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Description of the relevant terms of the derivative. Includes the type of instrument, risk being hedged, notional amount, counterparty, inception date, maturity date, relevant interest rates, strike price, cap price, and floor price.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds.

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Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Remaining cumulative basis adjustments on discontinued hedge relationship	$ 2.9	$ 12.2
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Maximum length of future cash flow hedges	7 years 10 months 24 days
Accumulated net gain on derivative contracts included in accumulated other comprehensive loss expected to be recognized in the Consolidated Statements of Comprehensive Income in the following 12 months, net of tax	$ 4.4
Reclassification from AOCI	(2.8)	0.0	$ 1.0
Net Investment Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount outstanding	553.8	443.6	347.0
Pre-tax gain (loss) recognized in OCI	32.6	(8.2)	28.8
Cost of sales and revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Loss from commodity contracts	13.1	4.2	31.8
Interest-Rate Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount of outstanding contracts	3,418.0
Notional maturities for interest-rate contracts 2025	975.4
Notional maturities for interest-rate contracts 2026	768.8
Notional maturities for interest-rate contracts 2027	757.3
Notional maturities for interest-rate contracts 2028	245.7
Notional maturities for interest-rate contracts 2029	283.8
Notional maturities for interest-rate contracts thereafter	387.0
Interest-Rate Contracts \| Derivative Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pre-tax gain (loss) recognized in OCI	176.9	(110.5)	19.1
Foreign-exchange contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount outstanding	$ 1,876.2
Foreign-exchange contracts maturity period	within one year
Foreign-exchange contracts \| Derivative Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pre-tax gain (loss) recognized in OCI	$ 98.1	(63.9)	15.7
Foreign-exchange contracts \| Truck, Parts and Other \| Derivative Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pre-tax gain (loss) recognized in OCI	88.9	(65.7)	41.2
Commodity contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative notional amount outstanding	$ 0.0
Foreign-exchange contracts maturity period	within one year
Commodity contracts \| Truck, Parts and Other \| Derivative Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Pre-tax gain (loss) recognized in OCI	$ 13.9	$ 0.5	$ 17.1