v3.3.1.900
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2016
Apr. 15, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
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   738,160,216
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   113,461,445
Common Class C [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   20,517,472