Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 1,261.4		$ 1,272.4
Total Assets	18,834.1		18,627.8	[1]
STOCKHOLDERS' EQUITY
Preferred stock, no par value: Authorized 1.0 million shares, none issued				[1]
Common stock, $1 par value: Authorized 1.2 billion shares, issued 353.7 and 353.4 million shares	353.7		353.4	[1]
Additional paid-in capital	70.9		56.6	[1]
Retained earnings	5,762.3		5,596.4	[1]
Accumulated other comprehensive loss	(239.0)	[2]	(159.5)	[1],[2]
Total Stockholders' Equity	5,947.9		5,846.9	[1]
Liabilities and Equity	18,834.1		18,627.8	[1]
Truck, Parts and Other
ASSETS
Cash and cash equivalents	1,202.1		1,203.2	[1]
Trade and other receivables, net	1,096.0		902.1	[1]
Marketable debt securities	1,177.7		1,192.7	[1]
Inventories, net	818.2		782.4	[1]
Other current assets	345.6		331.7	[1]
Total Truck, Parts and Other Current Assets	4,639.6		4,412.1	[1]
Equipment on operating leases, net	847.9		857.9	[1]
Property, plant and equipment, net	2,333.4		2,312.9	[1]
Other noncurrent assets, net	284.9		249.4	[1]
Total Assets	8,105.8		7,832.3	[1]
Current Liabilities
Accounts payable, accrued expenses and other	2,304.4		2,168.3	[1]
Current portion of long-term debt	150.0
Total Truck, Parts and Other Current Liabilities	2,454.4		2,168.3	[1]
Long-term debt			150.0	[1]
Residual value guarantees and deferred revenues	894.3		903.5	[1]
Other liabilities	630.3		579.5	[1]
Total Liabilities	3,979.0		3,801.3	[1]
Financial Services
ASSETS
Cash and cash equivalents	59.3		69.2	[1]
Finance and other receivables, net	8,249.2		8,298.3	[1]
Equipment on operating leases, net	2,023.2		2,030.8	[1]
Other assets	396.6		397.2	[1]
Total Assets	10,728.3		10,795.5	[1]
Current Liabilities
Accounts payable, accrued expenses and other	286.1		309.5	[1]
Commercial paper and bank loans	3,068.9		3,562.7	[1]
Term notes	4,639.7		4,167.4	[1]
Deferred taxes and other liabilities	912.5		940.0	[1]
Total Liabilities	$ 8,907.2		$ 8,979.6	[1]

[1] The December 31, 2012 consolidated balance sheet has been derived from audited financial statements.

[2] All amounts are net of tax. Amounts in parentheses indicate reductions in the AOCI component of stockholders' equity.