Segment Information (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Segment Reporting Information by Segment

	Three Months Ended March 31, 2025
	Truck			Parts			Other			Truck, Parts and Other			Financial Services		Total
Net sales and revenues	$	5,390.8		$	1,708.7		$	(2.0	)	$	7,097.5		$	528.0	$	7,625.5
Less intersegment		(165.0	)		(18.8	)					(183.8	)				(183.8	)
External Customers	$	5,225.8		$	1,689.9		$	(2.0	)	$	6,913.7		$	528.0	$	7,441.7
Cost of sales and revenues		4,716.5			1,171.5			3.0			5,891.0					5,891.0
Research and development		85.4			30.0						115.4					115.4
Selling, general and administrative		57.3			60.9			25.1			143.3			38.3		181.6
Interest and other borrowing expenses														190.6		190.6
Depreciation and other expenses														159.7		159.7
Provision for losses on receivables														18.3		18.3
Other segment expenses*		1.7			1.0			323.1			325.8					325.8
	$	364.9		$	426.5		$	(353.2	)	$	438.2		$	121.1	$	559.3
Investment income																83.8
Income (loss) before income taxes	$	364.9		$	426.5		$	(353.2	)	$	438.2		$	121.1	$	643.1
Depreciation and amortization	$	90.9		$	4.3		$	6.1		$	101.3		$	103.8	$	205.1
Expenditures for long-lived assets	$	162.1		$	3.3		$	14.7		$	180.1		$	152.5	$	332.6

* In the first quarter of 2025, Other includes a $350.0 million charge related to civil litigation in Europe (EC-related claims) which is discussed in Note M.

	Three Months Ended March 31, 2024
	Truck			Parts			Other			Truck, Parts and Other			Financial Services		Total
Net sales and revenues	$	6,678.9		$	1,695.3		$	18.1		$	8,392.3		$	509.3	$	8,901.6
Less intersegment		(137.9	)		(19.4	)					(157.3	)				(157.3	)
External Customers	$	6,541.0		$	1,675.9		$	18.1		$	8,235.0		$	509.3	$	8,744.3
Cost of sales and revenues		5,521.2			1,130.9			21.7			6,673.8					6,673.8
Research and development		78.1			27.2			.2			105.5					105.5
Selling, general and administrative		61.7			61.3			24.6			147.6			39.0		186.6
Interest and other borrowing expenses														160.0		160.0
Depreciation and other expenses														180.3		180.3
Provision for losses on receivables														16.1		16.1
Other segment (income) expenses		(1.6	)		.7			(26.1	)		(27.0	)				(27.0	)
	$	881.6		$	455.8		$	(2.3	)	$	1,335.1		$	113.9	$	1,449.0
Investment income																85.5
Income (loss) before income taxes	$	881.6		$	455.8		$	(2.3	)	$	1,335.1		$	113.9	$	1,534.5
Depreciation and amortization	$	99.6		$	3.8		$	6.0		$	109.4		$	125.6	$	235.0
Expenditures for long-lived assets	$	149.7		$	5.5		$	11.2		$	166.4		$	158.3	$	324.7

	March 31		December 31
Business Segment Data	2025		2024
Segment Assets:
Truck	$	8,051.1	$	7,563.3
Parts		2,207.9		2,097.0
Other		1,620.5		1,697.2
Cash and marketable securities		8,100.0		9,649.9
		19,979.5		21,007.4
Financial services		22,745.2		22,411.5
	$	42,724.7	$	43,418.9