Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES:
Net income	$ 964.5	$ 837.1
Depreciation and amortization:
Property, plant and equipment	201.7	150.4
Equipment on operating leases and other	475.9	438.3
Provision for losses on financial services receivables	12.5	15.4
Other, net	(68.8)	54.3
Change in operating assets and liabilities:
Trade and other receivables	(295.3)	(185.5)
Wholesale receivables on new trucks	(90.8)	(207.3)
Sales-type finance leases and dealer direct loans on new trucks	(37.5)	(19.0)
Inventories	(219.6)	(117.3)
Accounts payable and accrued expenses	467.6	511.0
Income taxes, warranty and other	191.4	222.9
Net Cash Provided by Operating Activities	1,601.6	1,700.3
INVESTING ACTIVITIES:
Originations of retail loans and direct financing leases	(2,242.1)	(2,189.5)
Collections on retail loans and direct financing leases	2,098.7	1,892.0
Net decrease in wholesale receivables on used equipment	7.6	7.2
Purchases of marketable securities	(899.9)	(658.5)
Proceeds from sales and maturities of marketable securities	772.0	628.5
Payments for property, plant and equipment	(228.4)	(377.8)
Acquisitions of equipment for operating leases	(880.2)	(1,004.7)
Proceeds from asset disposals	290.0	238.7
Net Cash Used in Investing Activities	(1,082.3)	(1,464.1)
FINANCING ACTIVITIES:
Payments of cash dividends	(545.8)	(212.3)
Purchases of treasury stock	(25.5)
Proceeds from stock compensation transactions	16.4	25.7
Net increase (decrease) in commercial paper and short-term bank loans	595.3	(912.1)
Proceeds from long-term debt	1,266.8	1,884.1
Payments of long-term debt	(1,883.0)	(565.5)
Net Cash (Used in) Provided by Financing Activities	(575.8)	219.9
Effect of exchange rate changes on cash	(45.2)	(18.1)
Net (Decrease) Increase in Cash and Cash Equivalents	(101.7)	438.0
Cash and cash equivalents at beginning of period	1,750.1	1,272.4
Cash and cash equivalents at end of period	$ 1,648.4	$ 1,710.4