Description of Business and Basis of Consolidation and Presentation (Details) $ / shares in Units, shares in Millions, $ in Millions			6 Months Ended
	May. 28, 2014 USD ($) shares	Oct. 11, 2013 USD ($) $ / shares shares	Jun. 30, 2015 segment shares
Stock Purchase Agreement [Line Items]
Treasury Stock, Acquired, Shares		429
Common Stock Outstanding			729
Number of Operating Segments | segment			3
Activision Blizzard
Stock Purchase Agreement [Line Items]
Treasury Stock, Acquired, Shares		429
Treasury Stock, Acquired, Value | $		$ 5,830
Treasury Stock, Price Per Share | $ / shares		$ 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]
Stock Sold by Vivendi, Shares	41
Stock Sold by Vivendi, Percent of Holdings	50.00%
Stock Sold By Vivendi, Value of Proceeds | $	$ 850
Shares of Activision Blizzard common stock owned by a specific shareholder			41
Percent of Activision Blizzard common stock owned by a specific shareholder			6.00%
ASAC
Stock Purchase Agreement [Line Items]
Stock Purchased By ASAC, Shares		172
Stock Purchased By ASAC, Value | $		$ 2,340
Stock Purchased By ASAC, Price Per Share | $ / shares		$ 13.60
Shares of Activision Blizzard common stock owned by a specific shareholder			172
Percent of Activision Blizzard common stock owned by a specific shareholder			24.00%