Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues	$ 5,756.8	$ 5,059.7	$ 17,216.0	$ 14,001.8
Provision for losses on receivables			14.8	17.4
Investment income	16.4	9.0	41.0	25.8
Income before income taxes	668.8	581.8	2,057.8	1,569.0
Income taxes	123.5	179.1	440.8	483.0
Net Income	$ 545.3	$ 402.7	$ 1,617.0	$ 1,086.0
Net Income Per Share
Basic	$ 1.55	$ 1.14	$ 4.60	$ 3.09
Diluted	$ 1.55	$ 1.14	$ 4.59	$ 3.08
Weighted Average Number of Common Shares Outstanding
Basic	350.7	351.9	351.6	351.7
Diluted	351.5	352.9	352.5	352.8
Dividends declared per share	$ 0.28	$ 0.25	$ 0.81	$ 0.74
Comprehensive Income	$ 544.0	$ 511.7	$ 1,515.6	$ 1,397.9
Truck, Parts and Other
Net sales and revenues	5,416.9	4,731.5	16,205.9	13,065.1
Cost of sales and revenues	4,653.6	4,055.6	13,836.4	11,210.5
Research and development	72.9	67.0	225.6	194.1
Selling, general and administrative	124.2	116.5	388.3	342.8
Interest and other (income), net	(7.4)	(9.8)	(42.5)	(35.7)
Costs and Expenses, Total	4,843.3	4,229.3	14,407.8	11,711.7
Income before income taxes	573.6	502.2	1,798.1	1,353.4
Financial Services
Interest and fees	128.0	111.2	365.3	317.6
Operating lease, rental and other revenues	211.9	217.0	644.8	619.1
Revenues	339.9	328.2	1,010.1	936.7
Interest and other borrowing expenses	49.0	38.3	136.0	109.8
Depreciation and other expenses	178.5	186.2	550.4	538.7
Selling, general and administrative	29.3	28.4	90.2	81.0
Provision for losses on receivables	4.3	4.7	14.8	17.4
Costs and Expenses, Total	261.1	257.6	791.4	746.9
Income before income taxes	$ 78.8	$ 70.6	$ 218.7	$ 189.8