Long-term debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Long-term debt

	December 31,
(Millions of dollars)	2012		2011		2010
Machinery and Power Systems:
Notes—Floating Rate (Three-month USD LIBOR plus 0.17%) due 2013	$	—	$	750	$	—
Notes—1.375% due 2014	750		750		—
Notes—5.700% due 2016	508		510		512
Notes—3.900% due 2021	1,245		1,245		—
Notes—5.200% due 2041	757		1,247		—
Debentures—7.000% due 2013	—		350		350
Debentures—0.950% due 2015	500		—		—
Debentures—1.500% due 2017	499		—		—
Debentures—7.900% due 2018	899		899		899
Debentures—9.375% due 2021	120		120		120
Debentures—2.600% due 2022	498		—		—
Debentures—8.000% due 2023	82		82		82
Debentures—6.625% due 2028	193		299		299
Debentures—7.300% due 2031	241		349		349
Debentures—5.300% due 2035 1	208		206		205
Debentures—6.050% due 2036	459		748		748
Debentures—8.250% due 2038	65		248		248
Debentures—6.950% due 2042	160		250		249
Debentures—3.803% due 2042 2	1,149		—		—
Debentures—7.375% due 2097	244		297		297
Capital lease obligations	73		46		81
Other	16		19		66
Total Machinery and Power Systems	8,666		8,415		4,505
Financial Products:
Medium-term notes	18,036		15,701		14,993
Other	1,050		828		939
Total Financial Products	19,086		16,529		15,932
Total long-term debt due after one year	$	27,752	$	24,944	$	20,437

¹ Debentures due in 2035 have a face value of $307 million and an effective yield to maturity of 8.55%.

² Debentures due in 2042 have a face value of $1,722 million and an effective yield to maturity of 6.29%.

Aggregate amounts of maturities of long-term debt

The aggregate amounts of maturities of long-term debt during each of the years 2013 through 2017, including amounts due within one year and classified as current, are:

	December 31,
(Millions of dollars)	2013		2014		2015		2016		2017
Machinery and Power Systems	$	1,113	$	762	$	507	$	533	$	505
Financial Products	5,991		6,559		4,648		2,027		2,693
	$	7,104	$	7,321	$	5,155	$	2,560	$	3,198