Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2016	Feb. 23, 2017	Jun. 30, 2016
Document and Entity Information
Entity Registrant Name	Activision Blizzard, Inc.
Entity Central Index Key	0000718877
Document Period End Date	Dec. 31, 2016
Document Type	10-K
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 27,884,568,790
Entity Common Stock, Shares Outstanding		751,846,958
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY