Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues	$ 28,819.7	$ 23,522.3	$ 18,728.5
Provision for losses on receivables	5.5	0.5	28.8
Investment income	61.0	15.5	35.9
Total Income Before Income Taxes	3,848.7	2,396.3	1,661.6
Income taxes	837.1	530.8	360.4
Net Income	$ 3,011.6	$ 1,865.5	$ 1,301.2
Net Income Per Share
Basic	$ 5.76	$ 3.58	$ 2.50
Diluted	$ 5.75	$ 3.57	$ 2.50
Weighted Average Number of Common Shares Outstanding
Basic	522.6	521.7	520.2
Diluted	523.4	522.7	521.2
Truck, Parts and Other
Revenues	$ 27,314.3	$ 21,834.5	$ 17,154.3
Cost of sales and revenues	23,291.0	19,092.4	15,072.7
Research and development	341.2	324.1	273.9
Selling, general and administrative	592.4	547.4	459.2
Interest and other (income), net	(109.1)	(72.6)	(54.1)
Costs and Expenses, Total	24,115.5	19,891.3	15,751.7
Income before income taxes	3,198.8	1,943.2	1,402.6
Financial Services
Interest and fees	628.7	524.4	527.4
Operating lease, rental and other revenues	876.7	1,163.4	1,046.8
Revenues	1,505.4	1,687.8	1,574.2
Interest and other borrowing expenses	216.3	150.9	192.1
Depreciation and other expenses	560.8	969.4	1,008.0
Selling, general and administrative	133.9	129.4	122.2
Provision for losses on receivables	5.5	0.5	28.8
Costs and Expenses, Total	916.5	1,250.2	1,351.1
Income before income taxes	$ 588.9	$ 437.6	$ 223.1