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Summary of Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Financial Instruments      
Maximum contractual terms of foreign exchange forward contracts 1 year    
Minimum      
Capitalized Software Development Costs [Line Items]      
Amortization period for capitalized software development costs 6 months    
Maximum      
Capitalized Software Development Costs [Line Items]      
Amortization period for capitalized software development costs 2 years    
Sony | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 17.00% 11.00% 13.00%
Sony | Consolidated gross receivables      
Concentration Risk [Line Items]      
Percentage of concentration risk 21.00% 18.00%  
Apple | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 15.00% 17.00% 15.00%
Google | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 14.00% 13.00% 11.00%
Microsoft | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 11.00%    
Microsoft | Consolidated gross receivables      
Concentration Risk [Line Items]      
Percentage of concentration risk 28.00% 11.00%