Consolidated Statements of Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Investment income	$ 5.5	$ 8.0	$ 11.3	$ 14.5
Net sales and revenues	4,569.6	4,300.5	8,949.5	8,224.8
Provision for losses on receivables			7.7	11.8
Income Before Income Taxes	481.0	432.9	887.5	770.1
Income taxes	161.8	141.3	294.4	242.4
Net Income	319.2	291.6	593.1	527.7
Net Income Per Share:
Basic	$ 0.90	$ 0.82	$ 1.67	$ 1.49
Diluted	$ 0.90	$ 0.82	$ 1.67	$ 1.49
Weighted Average Number of Common Shares Outstanding:
Basic	355.1	354.1	355.0	354.0
Diluted	356.3	355.0	356.2	354.8
Dividends declared per share	$ 0.22	$ 0.20	$ 0.42	$ 0.40
Comprehensive Income	368.7	220.7	647.9	377.3
Truck, Parts and Other
Net sales and revenues	4,267.0	4,011.7	8,353.2	7,642.9
Cost of sales and revenues	3,719.4	3,494.6	7,314.9	6,683.9
Research and development	49.9	61.8	102.6	133.9
Selling, general and administrative	114.8	112.3	236.2	230.0
Interest and other (income) expense, net	(0.9)	(0.4)	0.5	1.1
Costs and Expenses, Total	3,883.2	3,668.3	7,654.2	7,048.9
Income Before Income Taxes	383.8	343.4	699.0	594.0
Financial Services
Interest and fees	114.7	115.0	227.6	228.8
Operating lease, rental and other revenues	187.9	173.8	368.7	353.1
Revenues	302.6	288.8	596.3	581.9
Interest and other borrowing expenses	33.7	39.4	70.3	78.3
Depreciation and other expense	148.4	138.9	292.7	283.0
Selling, general and administrative	24.8	23.7	48.4	47.2
Provision for losses on receivables	4.0	5.3	7.7	11.8
Costs and Expenses, Total	210.9	207.3	419.1	420.3
Income Before Income Taxes	$ 91.7	$ 81.5	$ 177.2	$ 161.6