v3.7.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2017
Jul. 15, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
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  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   776,684,172
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   68,259,136
Common Class C [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   20,517,472