Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The Company’s amortizable and unamortizable intangible assets at March 31, 2013 and December 31, 2012 are as follows:

	Cost				Accumulated Amortization
	March 31, 2013		December 31, 2012		March 31, 2013		December 31, 2012
Amortizable intangible assets:
Patents	$	14	$	14	$	8	$	8
Licenses	47		47		18		17
Customer relationships	249		255		65		61
Technical knowledge	48		48		16		15
Other	29		29		22		22
Total amortizable intangible assets	$	387	$	393	$	129	$	123
Unamortizable intangible assets:
Goodwill	$	701	$	717	$	26	$	26
Trademarks and trade names	20		20		8		8
Total unamortizable intangible assets	$	721	$	737	$	34	$	34

Change In Net Goodwill

The change in net goodwill for the three months ended March 31, 2013 is as follows:

Balance at December 31, 2012	$	691
Acquisitions	(1		)
Impact of foreign currency exchange rates	(15		)
Balance at March 31, 2013	$	675