Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, plant and equipment

Property, plant and equipment

	December 31,
(Millions of dollars)	Useful Lives (Years)	2011			2010			2009
Land	—	$	753		$	682		$	639
Buildings and land improvements	20-45	5,857			5,174			4,914
Machinery, equipment and other	3-10	14,435			13,414			12,917
Equipment leased to others	1-10	4,285			4,444			4,717
Construction-in-process	—	1,996			1,192			1,034
Total property, plant and equipment, at cost		27,326			24,906			24,221
Less: Accumulated depreciation		(12,931		)	(12,367		)	(11,835		)
Property, plant and equipment—net		$	14,395		$	12,539		$	12,386

Assets recorded under capital leases

	December 31,
(Millions of dollars)	2011			2010			2009
Gross capital leases 2	$	131		$	251		$	493
Less: Accumulated depreciation	(75		)	(134		)	(258		)
Net capital leases	$	56		$	117		$	235

1 Included in Property, plant and equipment table above.

2 Consists primarily of machinery and equipment.

Scheduled minimum rental payments on assets recorded under capital leases

(Millions of dollars)

2012		2013		2014		2015		2016		Thereafter
$	19	$	14	$	8	$	4	$	2	$	18

Equipment leased to others

	December 31,
(Millions of dollars)	2011			2010			2009
Equipment leased to others—at original cost	$	4,285		$	4,444		$	4,717
Less: Accumulated depreciation	(1,406		)	(1,533		)	(1,616		)
Equipment leased to others—net	$	2,879		$	2,911		$	3,101

Scheduled minimum rental payments to be received for equipment leased to others

(Millions of dollars)

2012		2013		2014		2015		2016		Thereafter
$	739	$	509	$	296	$	150	$	53	$	27