Consolidated Statements of Comprehensive Income (Loss) € in Millions, shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2016 EUR (€) shares	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) $ / shares shares
Investment income	$ 6.4		$ 5.3	$ 12.1	$ 10.4
Provision for losses on receivables				9.4	6.3
European commission charge				833.0	0.0
Income before income taxes	646.2		652.2	216.6	1,213.9
Income taxes	164.9		205.0	329.9	388.3
Net Income (Loss)	$ 481.3		$ 447.2	$ (113.3)	$ 825.6
Net Income (Loss) Per Share
Basic | $ / shares	$ 1.37		$ 1.26	$ (0.32)	$ 2.32
Diluted | $ / shares	$ 1.37		$ 1.26	$ (0.32)	$ 2.32
Weighted Average Number of Common Shares Outstanding
Basic | shares	350.9	350.9	355.3	351.1	355.2
Diluted | shares	351.6	351.6	356.3	351.1	356.2
Dividends declared per share | $ / shares	$ 0.24		$ 0.22	$ 0.48	$ 0.44
Comprehensive Income (Loss)	$ 443.4		$ 554.9	$ (23.4)	$ 595.8
Truck, Parts and Other
Net sales and revenues	4,115.8		4,786.1	8,126.4	9,334.1
Cost of sales and revenues	3,489.4		4,061.2	6,903.0	7,971.4
Research and development	60.8		59.3	120.4	115.5
Selling, general and administrative	110.2		108.2	220.5	217.7
European commission charge	(109.6)	€ (97.3)	0.0	833.0	0.0
Interest and other expense, net	2.5		1.3	2.6	5.8
Costs and Expenses, Total	3,553.3		4,230.0	8,079.5	8,310.4
Income before income taxes	562.5		556.1	46.9	1,023.7
Financial Services
Interest and fees	107.1		111.1	214.5	222.0
Operating lease, rental and other revenues	190.3		182.7	372.3	356.5
Revenues	297.4		293.8	586.8	578.5
Interest and other borrowing expenses	32.6		29.6	62.9	58.7
Depreciation and other expenses	156.4		145.9	307.3	286.3
Selling, general and administrative	25.1		23.9	49.6	47.4
Provision for losses on receivables	6.0		3.6	9.4	6.3
Costs and Expenses, Total	220.1		203.0	429.2	398.7
Income before income taxes	$ 77.3		$ 90.8	$ 157.6	$ 179.8