Commitments and Contingencies - Additional Information (Detail)							6 Months Ended
	May 01, 2017 USD ($)	Mar. 31, 2017 USD ($) Claim	Apr. 04, 2014 Case	Mar. 11, 2013 Case	Aug. 16, 2012 Case	Aug. 03, 2012 Case	Jun. 30, 2017 USD ($)
Loss Contingencies [Line Items]
Accrued for legal and regulatory proceeding, estimate of possible loss | $							$ 0
Delaware [Member]
Loss Contingencies [Line Items]
Claims filed				1
Stockholder Derivative Lawsuits [Member]
Loss Contingencies [Line Items]
Claims filed						8
Zynga Shareholder Derivative Litigation [Member] | San Francisco [Member]
Loss Contingencies [Line Items]
Claims filed						3
Zynga Inc. Derivative Litigation [Member] | Northern California [Member]
Loss Contingencies [Line Items]
Claims filed					4
Sandys v. Pincus [Member] | Delaware [Member]
Loss Contingencies [Line Items]
Claims filed			1
Mayer et al. v. Zynga [Member]
Loss Contingencies [Line Items]
Number of claims relief | Claim		5
Compensatory damages held in escrow | $		$ 875,000
Loss contingencies for counter claims | $	$ 2,500,000
Arbitration hearing date							January 29, 2018
Mayer et al. v. Zynga [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Entitled to compensatory damages | $		$ 60,000,000