Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Components of Other Intangible Assets

Components of other intangible assets — 

	Weighted	March 31, 2012							December 31, 2011
	Average			Accumulated							Accumulated
	Useful	Gross		Impairment			Net		Gross		Impairment			Net
	Life	Carrying		and			Carrying		Carrying		and			Carrying
	(years)	Amount		Amortization			Amount		Amount		Amortization			Amount
Amortizable intangible assets
Core technology	7	$	93	$	(60	)	$	33	$	92	$	(55	)	$	37
Trademarks and trade names	16		4		(1	)		3		4		(1	)		3
Customer relationships	8		555		(271	)		284		545		(250	)		295
Non-amortizable intangible assets
Trademarks and trade names			65					65		65					65
		$	717	$	(332	)	$	385	$	706	$	(306	)	$	400

Amortization Expense Related to Amortizable Intangible Assets

Amortization expense related to amortizable intangible assets —

	Three Months Ended
	March 31,
	2011		2010
Charged to cost of sales	$	3	$	4
Charged to amortization of intangibles		19		17
Total amortization	$	22	$	21

Estimated Aggregate Pre-tax Amortization Expense Related to Intangible Assets

The following table provides the estimated aggregate pre-tax amortization expense related to intangible assets for each of the next five years based on March 31, 2012 exchange rates. Actual amounts may differ from these estimates due to such factors as currency translation, customer turnover, impairments, additional intangible asset acquisitions and other events.

	Remainder
	of 2012		2013		2014		2015		2016
Amortization expense	$	66	$	88	$	56	$	25	$	23