Goodwill and acquisition-related intangibles (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill

The following table summarizes the changes in goodwill by segment for the years ended December 31, 2012 and 2011.

	Analog		Embedded Processing		Other			Total
Goodwill, December 31, 2010	$	630	$	172	$	122		$	924
Additions from acquisitions	3,528		—		—			3,528
Goodwill, December 31, 2011	4,158		172		122			4,452
Impairment	—		—		(90		)	(90		)
Goodwill, December 31, 2012	$	4,158	$	172	$	32		$	4,362

Schedule of acquisition-related intangible assets

The components of acquisition-related intangible assets as of December 31, 2012 and 2011, are as follows:

		December 31, 2012						December 31, 2011
	Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Acquisition-related intangibles:
Developed technology	4 - 10	$	2,145	$	312	$	1,833	$	2,089	$	91	$	1,998
Customer relationships	5 - 8	821		137		684		822		34		788
Other intangibles	2 - 7	46		36		10		50		29		21
In-process R&D	(a)	31		n/a		31		93		n/a		93
Total		$	3,043	$	485	$	2,558	$	3,054	$	154	$	2,900

(a) In-process R&D is not amortized until the associated project has been completed. Alternatively, if the associated project is determined not to be viable, it will be expensed.

Estimated amortization of acquisition-related finite lived intangibles for future years

Future estimated amortization of acquisition-related intangibles for the years ended December 31 is as follows:

2013	$	335
2014	321
2015	319
2016	319
2017	318
Thereafter	946