Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Components of Other Intangible Assets

Components of other intangible assets —

	Weighted		December 31, 2012							December 31, 2011
	Average		Gross		Accumulated			Net		Gross		Accumulated			Net
	Useful Life		Carrying		Impairment and			Carrying		Carrying		Impairment and			Carrying
	(years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortizable intangible assets
Core technology		7	$	93	$	(69	)	$	24	$	92	$	(55	)	$	37
Trademarks and trade names		16		4		(1	)		3		4		(1	)		3
Customer relationships		8		538		(325	)		213		545		(250	)		295
Non-amortizable intangible assets
Trademarks and trade names				65					65		65					65
Used in research and development activities				20					20
			$	720	$	(395	)	$	325	$	706	$	(306	)	$	400

Amortization Expense Related to Amortizable Intangible Assets

Amortization expense related to amortizable intangible assets —

	2012		2011		2010
Charged to cost of sales	$	13	$	13	$	15
Charged to amortization of intangibles		74		77		61
Total amortization	$	87	$	90	$	76

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 December 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.

	2013		2014		2015		2016		2017
Amortization expense	$	87	$	50	$	23	$	21	$	18