Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Segment Reporting Information by Segment

	Three Months Ended						Six Months Ended
	June 30						June 30
		2019			2018			2019			2018
Net sales and revenues:
Truck	$	5,309.3		$	4,678.6		$	10,535.9		$	9,214.7
Less intersegment		(97.4	)		(210.8	)		(216.7	)		(393.9	)
External customers		5,211.9			4,467.8			10,319.2			8,820.8
Parts		1,037.8			983.1			2,053.8			1,936.6
Less intersegment		(12.4	)		(15.1	)		(23.7	)		(28.7	)
External customers		1,025.4			968.0			2,030.1			1,907.9
Other		29.2			31.4			55.3			60.3
		6,266.5			5,467.2			12,404.6			10,789.0
Financial Services		361.4			338.0			710.9			670.2
	$	6,627.9		$	5,805.2		$	13,115.5		$	11,459.2
Income before income taxes:
Truck	$	510.7		$	434.0		$	1,027.7		$	829.2
Parts		210.6			194.5			418.2			386.3
Other		(9.0	)		4.1			(17.5	)		9.0
		712.3			632.6			1,428.4			1,224.5
Financial Services		80.3			72.4			164.3			139.9
Investment income		21.8			14.6			41.1			24.6
	$	814.4		$	719.6		$	1,633.8		$	1,389.0
Depreciation and amortization:
Truck	$	97.3		$	106.0		$	194.7		$	213.3
Parts		2.6			2.2			5.3			4.4
Other		4.6			4.4			8.6			8.9
		104.5			112.6			208.6			226.6
Financial Services		156.7			155.7			311.7			315.2
	$	261.2		$	268.3		$	520.3		$	541.8