Document and Entity Information	9 Months Ended
Sep. 30, 2011	Nov. 01, 2011
Document and Entity Information
Entity Registrant Name	Activision Blizzard, Inc.
Entity Central Index Key	0000718877
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
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		1,144,219,705
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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