Intangible assets, net

3 Months Ended

Mar. 31, 2012

Intangible assets, net

Intangible assets, net

3.       Intangible assets, net

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

		At March 31, 2012
		Estimated	Gross
		useful	carrying		Accumulated		Net carrying
		lives	amount		amortization		amount
Acquired definite-lived intangible assets:
	License agreements	3 - 10 years	$	88	$	(83)	$	5
	Internally-developed franchises	11 - 12 years		309		(229)		80
Acquired indefinite-lived intangible assets:
	Activision trademark	Indefinite		386		---		386
	Acquired trade names	Indefinite		47		---		47
Total			$	830	$	(312)	$	518
		At December 31, 2011
		Estimated	Gross
		useful	carrying		Accumulated		Net carrying
		lives	amount		amortization		amount
Acquired definite-lived intangible assets:
	License agreements	3 - 10 years	$	88	$	(82)	$	6
	Game engines	2 - 5 years		32		(32)		---
	Internally-developed franchises	11 - 12 years		309		(227)		82
	Distribution agreements	4 years		18		(18)		---
Acquired indefinite-lived intangible assets:
	Activision trademark	Indefinite		386		---		386
	Acquired trade names	Indefinite		47		---		47
Total			$	880	$	(359)	$	521

Amortization expense of intangible assets was $3 million and $8 million for the three months ended March 31, 2012 and 2011, respectively.

At March 31, 2012, future amortization of definite-lived intangible assets is estimated as follows (amounts in millions):

2012 (remaining nine months)	$	31
2013		28
2014		14
2015		7
2016		3
Thereafter		2
Total	$	85