| Document And Entity Information | Jul. 01, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | Amendment This Form 8-K/A is filed as an amendment (the “Amendment”) to the Current Report on Form 8-K filed by Zynga Inc. (“Zynga”) on July 2, 2020 (the “Current Report”) disclosing that Zynga had completed its previously announced acquisition of all allotted and issued share capital (including all rights to acquire share capital) of Peak Oyun Yazılım ve Pazarlama Anonim Şirketi, a Turkey joint stock company (“Peak”), pursuant to the Share Sale and Purchase Agreement (the “Agreement”) dated May 31, 2020, between the shareholders (collectively, the “Sellers”) of Peak and Zynga. This Amendment is being filed solely for the purpose of including the historical audited and unaudited financial statements of Peak and the pro forma condensed combined financial information required by Items 9.01(a) and 9.01(b) of Form 8-K that were excluded from the Current Report in reliance on the instructions to such items. |
| Document Period End Date | Jul. 1, 2020 |
| Entity Registrant Name | ZYNGA INC |
| Entity Central Index Key | 0001439404 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-35375 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 42-1733483 |
| Entity Address, Address Line One | 699 Eighth Street |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94103 |
| City Area Code | 855 |
| Local Phone Number | 449-9642 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of each class | Class A common stock |
| Trading Symbol | ZNGA |
| Name of each exchange on which registered | NASDAQ |
