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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Period Type:	instant

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- References

No definition available.

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Period Type:	duration

Finite lived intangible assets amortization expense after year six.

No definition available.

Name:	znga_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix
Namespace Prefix:	znga_
Data Type:	xbrli:monetaryItemType
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Finite lived intangible assets amortization expense year six.

No definition available.

Name:	znga_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix
Namespace Prefix:	znga_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Finite lived intangible assets amortization expenses.

No definition available.