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Network
2415406 - Disclosure - Income Taxes - Reconciliation of Total Gross Unrecognized Tax Benefits (Details)
(http://www.activision.com/role/IncomeTaxesReconciliationOfTotalGrossUnrecognizedTaxBenefitsDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000718877 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Income Tax Disclosure [Abstract]
 
 
 
Reconciliation of unrecognized tax benefits
 
 
 
Unrecognized tax benefits balance at January 1
552,000,000  
419,000,000  
294,000,000  
Gross increase for tax positions of prior-years
89,000,000  
8,000,000  
2,000,000  
Gross decrease for tax positions of prior-years
(17,000,000) 
(11,000,000) 
0  
Gross increase for tax positions of current year
240,000,000  
136,000,000  
125,000,000  
Settlement with taxing authorities
(18,000,000) 
0  
(2,000,000) 
Lapse of statute of limitations
0  
0  
0  
Unrecognized tax benefits balance at December 31
846,000,000  
 
552,000,000  
 
419,000,000