Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
OPERATING ACTIVITIES:
Net Income	$ 4,162.0	$ 4,600.8	$ 3,011.6
Adjustments to reconcile net income to cash provided by operations:
Depreciation and amortization, Property, plant and equipment	398.4	415.0	332.2
Depreciation and amortization, Equipment on operating leases and other	518.5	508.9	458.0
Provision for losses on financial services receivables	75.6	31.3	5.5
Deferred taxes	(79.3)	(303.7)	(208.0)
Other, net	26.3	46.5	13.9
Pension contributions	(40.8)	(27.3)	(39.1)
Decrease (increase) in assets other than cash and cash equivalents:
Trade and other receivables	156.9	(430.7)	(441.7)
Wholesale receivables on new trucks	(478.7)	(1,266.4)	(935.4)
Inventories	42.5	(350.7)	(272.7)
Other assets, net	(149.3)	(127.2)	(31.9)
Increase (decrease) in liabilities:
Accounts payable and accrued expenses	279.4	375.8	840.3
Residual value guarantees and deferred revenues	(0.8)	(36.8)	(44.3)
Other liabilities, net	(269.8)	754.5	338.6
Net Cash Provided by Operating Activities	4,640.9	4,190.0	3,027.0
INVESTING ACTIVITIES:
Originations of retail loans and finance leases	(6,666.7)	(6,378.2)	(5,058.7)
Collections on retail loans and finance leases	4,840.1	4,330.4	3,888.0
Net increase in wholesale receivables on equipment	(512.1)	(29.1)	(15.9)
Purchases of marketable debt securities	(2,068.7)	(967.2)	(888.4)
Proceeds from sales and maturities of marketable debt securities	1,103.2	803.6	718.1
Payments for property, plant and equipment	(838.7)	(695.0)	(525.0)
Acquisitions of equipment for operating leases	(906.9)	(567.5)	(865.5)
Proceeds from asset disposals	696.1	614.5	687.7
Contributions to joint venture	(207.6)
Other, net	74.0	17.5	26.7
Net Cash Used in Investing Activities	(4,487.3)	(2,871.0)	(2,033.0)
FINANCING ACTIVITIES:
Payments of cash dividends	(2,288.5)	(1,518.6)	(1,004.7)
Purchases of treasury stock	(4.5)	(3.5)	(2.1)
Proceeds from stock compensation transactions	51.9	51.5	35.7
Net increase in commercial paper, short-term bank loans and other	699.9	1,721.0	370.1
Proceeds from term debt	3,891.2	3,085.0	3,171.7
Payments on term debt	(2,473.1)	(2,233.2)	(2,265.8)
Net Cash (Used in) Provided by Financing Activities	(123.1)	1,102.2	304.9
Effect of exchange rate changes on cash and cash equivalents	(151.4)	69.6	(36.3)
Net (Decrease) Increase in Cash and Cash Equivalents	(120.9)	2,490.8	1,262.6
Cash and cash equivalents at beginning of period	7,181.7	4,690.9	3,428.3
Cash and cash equivalents at end of period	$ 7,060.8	$ 7,181.7	$ 4,690.9