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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income tax expense reduction $ (130) $ (29) $ (878)
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    
Apple | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 17.00% 15.00% 16.00%
Sony | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 11.00% 13.00% 14.00%
Sony | Consolidated gross receivables      
Concentration Risk [Line Items]      
Percentage of concentration risk 18.00% 15.00%  
Google | Consolidated net revenues      
Concentration Risk [Line Items]      
Percentage of concentration risk 13.00% 11.00% 10.00%
NetEase | Consolidated gross receivables      
Concentration Risk [Line Items]      
Percentage of concentration risk   12.00%  
Microsoft | Consolidated gross receivables      
Concentration Risk [Line Items]      
Percentage of concentration risk 11.00%    
Initial Recognition of Global Intangible Low-taxed Income of Foreign Subsidiaries      
Error Corrections and Prior Period Adjustments Restatement [Line Items]      
Income tax expense reduction   $ 35