Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2012

Intangible Assets and Goodwill

Intangible assets

		March 31, 2012
(Millions of dollars)	WeightedAmortizableLife (Years)	GrossCarryingAmount		AccumulatedAmortization			Net
Customer relationships	15	$	2,811	$	(262	)	$	2,549
Intellectual property	11	1,805		(283		)	1,522
Other	10	305		(107		)	198
Total finite-lived intangible assets	13	4,921		(652		)	4,269
Indefinite-lived intangible assets - In-process research & development		18		—			18
Total intangible assets		$	4,939	$	(652	)	$	4,287

		December 31, 2011
(Millions of dollars)	WeightedAmortizableLife (Years)	GrossCarryingAmount		AccumulatedAmortization			Net
Customer relationships	15	$	2,811	$	(213	)	$	2,598
Intellectual property	11	1,794		(244		)	1,550
Other	11	299		(97		)	202
Total finite-lived intangible assets	13	4,904		(554		)	4,350
Indefinite-lived intangible assets - In-process research & development		18		—			18
Total intangible assets		$	4,922	$	(554	)	$	4,368

Expected amortization expense related to intangible assets

(Millions of dollars)
2012		2013		2014		2015		2016		Thereafter
$	375	$	372	$	367	$	362	$	352	$	2,553

Goodwill

(Millions of dollars)	Construction Industries			ResourceIndustries			PowerSystems			Other		Consolidated Total
Balance at December 31, 2011	$	378		$	4,099		$	2,486		$	117	$	7,080
Business acquisitions(1)	16			—			—			—		16
Held for Sale(2)	—			(51		)	—			—		(51		)
Other adjustments(3)	(11		)	52			(5		)	—		36
Balance at March 31, 2012	$	383		$	4,100		$	2,481		$	117	$	7,081

(1)Purchase of Cat Tohoku.  See Note 18 for additional details.

(2)See Note 19 for additional details.

(3)Other adjustments are comprised primarily of foreign currency translation.