Consolidated Statements of Income € in Millions, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares
Investment income	$ 27.6	$ 21.8	$ 22.3
Provision for losses on receivables	18.4	12.4	15.4
Income before income taxes	1,130.4	2,337.1	2,017.6
Income taxes	608.7	733.1	658.8
Net Income	$ 521.7	$ 1,604.0	$ 1,358.8
Net Income Per Share
Basic | $ / shares	$ 1.49	$ 4.52	$ 3.83
Diluted | $ / shares	$ 1.48	$ 4.51	$ 3.82
Weighted Average Number of Common Shares Outstanding
Basic | shares	351.1	354.6	355.0
Diluted | shares	351.8	355.6	356.1
Truck, Parts and Other
Net sales and revenues	$ 15,846.6	$ 17,942.8	$ 17,792.8
Cost of sales and revenues	13,517.7	15,292.1	15,481.6
Research and development	247.2	239.8	215.6
Selling, general and administrative	440.8	445.9	465.2
European Commission charge	833.0	0.0	0.0
Interest and other expense, net	11.6	12.3	5.5
Costs and Expenses, Total	15,050.3	15,990.1	16,167.9
Income before income taxes	796.3	1,952.7	1,624.9
Financial Services
Interest and fees	426.2	443.8	462.6
Operating lease, rental and other revenues	760.5	728.5	741.6
Revenues	1,186.7	1,172.3	1,204.2
Interest and other borrowing expenses	127.2	118.0	133.7
Depreciation and other expenses	635.2	583.7	588.5
Selling, general and administrative	99.4	95.6	96.2
Provision for losses on receivables	18.4	12.4	15.4
Costs and Expenses, Total	880.2	809.7	833.8
Income before income taxes	$ 306.5	$ 362.6	$ 370.4