Intangible Assets, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended							3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Activision trademark	Dec. 31, 2013 Activision trademark	Mar. 31, 2014 License agreements and other	Dec. 31, 2013 License agreements and other	Mar. 31, 2014 License agreements and other Maximum	Dec. 31, 2013 License agreements and other Maximum	Mar. 31, 2014 License agreements and other Minimum	Dec. 31, 2013 License agreements and other Minimum	Mar. 31, 2014 Internally developed franchises	Dec. 31, 2013 Internally developed franchises	Mar. 31, 2014 Internally developed franchises Maximum	Dec. 31, 2013 Internally developed franchises Maximum	Mar. 31, 2014 Internally developed franchises Minimum	Dec. 31, 2013 Internally developed franchises Minimum	Mar. 31, 2014 Acquired trade names	Dec. 31, 2013 Acquired trade names
Amortization expense disclosure
Amortization expense	$ 2	$ 3
Indefinite Lived Intangible Assets
Net carrying amount, indefinite-lived intangible assets	433		433	386	386													47	47
Finite-Lived Intangible Assets
Estimated useful life								10 years	10 years	3 years	3 years			12 years	12 years	11 years	11 years
Gross carrying amount, definite-lived intangible assets	407		407			98	98					309	309
Accumulated amortization, definite-lived intangible assets	(366)		(364)			(90)	(90)					(276)	(274)
Net carrying amount, definite-lived intangible assets	41		43			8	8					33	35
Definite-lived intangible assets, future amortization expense disclosure
2014 (remaining nine months)	13
2015	12
2016	7
2017	4
2018	3
Thereafter	2
Total	$ 41		$ 43			$ 8	$ 8					$ 33	$ 35