v2.4.0.6
Document And Entity Information
9 Months Ended
Sep. 30, 2012
Oct. 15, 2012
Common Class A [Member]
Oct. 15, 2012
Common Class B [Member]
Oct. 15, 2012
Common Class C [Member]
Document Type 10-Q      
Amendment Flag false      
Document Period End Date Sep. 30, 2012      
Document Fiscal Period Focus Q3      
Document Fiscal Year Focus 2012      
Entity Central Index Key 0001439404      
Current Fiscal Year End Date --12-31      
Entity Filer Category Non-accelerated Filer      
Entity Registrant Name ZYNGA INC      
Entity Common Stock, Shares Outstanding   583,862,093 179,596,824 20,517,472