Goodwill and Other Purchased Intangible Assets Goodwill and Other Purchased Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes the activity related to the carrying value of our goodwill:



	Reportable Segments
	Broadband Communications		Mobile and Wireless			Infrastructure and Networking			Foreign Currency		Consolidated
	(In millions)
Goodwill	$	770	$	1,053		$	3,778		$	21	$	5,622
Accumulated impairment losses	—		(543		)	(1,286		)	—		(1,829		)
Goodwill at December 31, 2013	$	770	$	510		$	2,492		$	21	$	3,793
Adjustment due to sale of certain assets (Note 2)	—		—			(37		)	—		(37		)
Goodwill at March 31, 2014	$	770	$	510		$	2,455		$	21	$	3,756

Purchased Intangible Assets

The following table presents details of our purchased intangible assets:



	March 31, 2014							December 31, 2013
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
	(In millions)
Developed technology	$	1,543	$	(586	)	$	957	$	1,492	$	(539	)	$	953
In-process research and development	51		—			51		130		—			130
Customer relationships	232		(184		)	48		232		(176		)	56
Other	34		(29		)	5		34		(29		)	5
	$	1,860	$	(799	)	$	1,061	$	1,888	$	(744	)	$	1,144

Amortization of Purchased Intangible Assets

The following table presents details of the amortization of purchased intangible assets included in the cost of product revenue and other operating expense categories:



	Three Months Ended
	March 31,
	2014		2013
	(In millions)
Cost of product revenue	$	50	$	43
Other operating expenses	9		15
	$	59	$	58

Amortization of Existing Purchased Intangible Assets

The following table presents details of the amortization of existing purchased intangible assets (including IPR&D), which is currently estimated to be expensed in the remainder of 2014 and thereafter:



	Purchased Intangible Asset Amortization by Year
	2014		2015		2016		2017		2018		Thereafter		Total
	(In millions)
Cost of product revenue	$	142	$	175	$	154	$	133	$	113	$	291	$	1,008
Other operating expenses	26		14		5		3		2		3		53
	$	168	$	189	$	159	$	136	$	115	$	294	$	1,061