Intangible Assets, Net

12 Months Ended

Dec. 31, 2013

Intangible Assets, Net

Intangible Assets, Net

8.       Intangible Assets, Net

Intangible assets, net consist of the following (amounts in millions):

		At December 31, 2013
		Estimated	Gross
		useful	carrying		Accumulated		Net carrying
		lives	amount		amortization		amount
Acquired definite-lived intangible assets:
	License agreements and other	3 - 10 years	$	98	$	(90)	$	8
	Internally-developed franchises	11 - 12 years		309		(274)		35
Total definite-lived intangible assets			$	407	$	(364)	$	43
Acquired indefinite-lived intangible assets:
	Activision trademark	Indefinite						386
	Acquired trade names	Indefinite						47
Total indefinite-lived intangible assets							$	433
		At December 31, 2012
		Estimated	Gross
		useful	carrying		Accumulated		Net carrying
		lives	amount		amortization		amount
Acquired definite-lived intangible assets:
	License agreements and other	3 - 10 years	$	98	$	(88)	$	10
	Internally-developed franchises	11 - 12 years		309		(251)		58
Total definite-lived intangible assets			$	407	$	(339)	$	68
Acquired indefinite-lived intangible assets:
	Activision trademark	Indefinite						386
	Acquired trade names	Indefinite						47
Total indefinite-lived intangible assets							$	433

Amortization expense of intangible assets was $24 million, $30 million, and $72 million for the years ended December 31, 2013, 2012, and 2011, respectively.

At December 31, 2013, future amortization of definite-lived intangible assets is estimated as follows (amounts in millions):

2014	$	15
2015		12
2016		7
2017		4
2018		3
Thereafter		2
Total	$	43

We did not record any impairment charges against our intangible assets for the years ended December 31, 2013, 2012 and 2011.