v2.4.0.8
Document and Entity Information
9 Months Ended
Sep. 30, 2013
Oct. 15, 2013
Common Class A [Member]
Oct. 15, 2013
Common Class B [Member]
Oct. 15, 2013
Common Class C [Member]
Document Information [Line Items]        
Document Type 10-Q      
Amendment Flag false      
Document Period End Date Sep. 30, 2013      
Document Fiscal Year Focus 2013      
Document Fiscal Period Focus Q3      
Trading Symbol ZNGA      
Entity Registrant Name ZYNGA INC      
Entity Central Index Key 0001439404      
Current Fiscal Year End Date --12-31      
Entity Filer Category Large Accelerated Filer      
Entity Common Stock, Shares Outstanding   659,687,109 135,348,521 20,517,472