Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Cash in Escrow
Deposit for acquisition	$ 0	$ 3,561
Financial Instruments
Maximum contractual terms of foreign exchange forward contracts	1 year
Sony \| Consolidated net revenues
Concentration Risk [Line Items]
Percentage of concentration risk	13.00%	12.00%
Sony \| Consolidated gross receivables
Concentration Risk [Line Items]
Percentage of concentration risk	17.00%	18.00%
Apple \| Consolidated net revenues
Concentration Risk [Line Items]
Percentage of concentration risk	13.00%
Microsoft \| Consolidated net revenues
Concentration Risk [Line Items]
Percentage of concentration risk		10.00%
Microsoft \| Consolidated gross receivables
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%	13.00%
Wal-Mart \| Consolidated gross receivables
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%	11.00%
Minimum
Concentration Risk [Line Items]
Amortization period for capitalized software development costs	6 months
Maximum
Concentration Risk [Line Items]
Amortization period for capitalized software development costs	2 years

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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