Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Long-term Debt

	Weighted- Average Interest Rate	Maturities	December 31
			2011		2010
			(Millions of dollars)
Notes and debentures	5.76%	2012 - 2046	$	4,984	$	4,286
Dealer remarketable securities	4.03%	2012 - 2016	200		200
Industrial development revenue bonds	0.13%	2015 - 2037	280		280
Bank loans and other financings in various currencies	2.70%	2012 - 2045	581		619
Total long-term debt			6,045		5,385
Less current portion			619		265
Long-term portion			$	5,426	$	5,120