Document and Entity Information	3 Months Ended
	Mar. 31, 2012	May 01, 2012
Document and Entity Information
Entity Registrant Name	Activision Blizzard, Inc.
Entity Central Index Key	0000718877
Document Type	10-Q
Document Period End Date	Mar. 31, 2012
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 Common Stock, Shares Outstanding		1,111,710,032
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1