Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Investment income	$ 6.2	$ 5.7	$ 16.6	$ 17.0
Provision for losses on receivables			8.7	12.5
Income Before Income Taxes	624.5	552.4	1,838.4	1,439.9
Income taxes	193.3	181.0	581.6	475.4
Net Income	$ 431.2	$ 371.4	$ 1,256.8	$ 964.5
Net Income Per Share
Basic	$ 1.21	$ 1.05	$ 3.54	$ 2.72
Diluted	$ 1.21	$ 1.04	$ 3.53	$ 2.71
Weighted Average Number of Common Shares Outstanding
Basic	355.0	355.2	355.1	355.1
Diluted	355.9	356.3	356.1	356.2
Dividends declared per share	$ 0.24	$ 0.22	$ 0.68	$ 0.64
Comprehensive Income	$ 282.6	$ 109.3	$ 878.4	$ 757.2
Truck, Parts and Other
Net sales and revenues	4,546.2	4,622.5	13,880.3	12,975.7
Cost of sales and revenues	3,851.3	4,006.3	11,822.7	11,321.2
Research and development	57.6	50.5	173.1	153.1
Selling, general and administrative	107.0	112.4	324.7	348.6
Interest and other expense, net	4.9	3.5	10.7	4.0
Costs and Expenses, Total	4,020.8	4,172.7	12,331.2	11,826.9
Income Before Income Taxes	525.4	449.8	1,549.1	1,148.8
Financial Services
Interest and fees	110.9	118.0	332.9	345.6
Operating lease, rental and other revenues	190.1	187.9	546.6	556.6
Revenues	301.0	305.9	879.5	902.2
Interest and other borrowing expenses	29.2	32.6	87.9	102.9
Depreciation and other expense	152.5	147.3	438.8	440.0
Selling, general and administrative	24.0	24.3	71.4	72.7
Provision for losses on receivables	2.4	4.8	8.7	12.5
Costs and Expenses, Total	208.1	209.0	606.8	628.1
Income Before Income Taxes	$ 92.9	$ 96.9	$ 272.7	$ 274.1