Related Party Transactions (Details) - shares shares in Millions	Feb. 10, 2017	Aug. 19, 2016	Aug. 15, 2016	Jul. 07, 2016	Jun. 08, 2016	Dec. 31, 2015	May 28, 2014
Vivendi Games
Related Party Transaction [Line Items]
Shares sold by Vivendi							41
Shares of Shareholders sold							41
ASAC LP
Related Party Transaction [Line Items]
Shares of Activision Blizzard common stock owned by a specific shareholder		0		31		172
Percent of Activision Blizzard common stock owned by a specific shareholder						23.00%
Shares of Shareholder distributed		13		18
ASAC GP
Related Party Transaction [Line Items]
Shares sold by Vivendi			4
Shares of Activision Blizzard common stock owned by a specific shareholder		13
Percent of Activision Blizzard common stock owned by a specific shareholder		2.00%
Shares of Shareholder distributed			14		141
Shares of Shareholders sold			4
Subsequent Events | ASAC GP
Related Party Transaction [Line Items]
Shares of Activision Blizzard common stock owned by a specific shareholder	0
Shares of Shareholder distributed	13