Description of Business (Details 2) (USD $)	0 Months Ended	12 Months Ended		0 Months Ended
	Oct. 11, 2013	Dec. 31, 2013	Dec. 31, 2012	May 28, 2014	Dec. 31, 2014
Stock Purchase Agreement [Line Items]
Treasury Stock, Acquired, Shares	429,000,000
Treasury Stock, Acquired, Value		$ 5,830,000,000	$ 315,000,000
Common Stock Outstanding					722,000,000
Activision Blizzard
Stock Purchase Agreement [Line Items]
Treasury Stock, Acquired, Shares	429,000,000
Treasury Stock, Acquired, Value	5,830,000,000
Treasury Stock, Price Per Share	13.60
Public
Stock Purchase Agreement [Line Items]
Percent of Activision Blizzard common stock owned by a specific shareholder					70.00%
Vivendi
Stock Purchase Agreement [Line Items]
Percent of Activision Blizzard common stock owned by a specific shareholder					6.00%
Stock Sold by Vivendi, Shares				41,000,000
Stock Sold by Vivendi, Percent of Holdings				50.00%
Stock Sold By Vivendi, Value of Proceeds				850,000,000
Shares of Activision Blizzard common stock owned by a specific shareholder					41,000,000
ASAC
Stock Purchase Agreement [Line Items]
Stock Purchased By ASAC, Shares	172,000,000
Stock Purchased By ASAC, Value	2,340,000,000
Stock Purchased By ASAC, Price Per Share	13.60
Percent of Activision Blizzard common stock owned by a specific shareholder					24.00%
Shares of Activision Blizzard common stock owned by a specific shareholder					172,000,000