CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Zynga Inc	Popcore Limited	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Common Stock Zynga Inc	Common Stock Popcore Limited	Additional Paid-in Capital	Additional Paid-in Capital Zynga Inc	Additional Paid-in Capital Popcore Limited	Treasury Stock	Retained Earnings/(Accumulated Deficit)	Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Mar. 31, 2020					136.0
Beginning balance (in shares) at Mar. 31, 2020											(22.4)
Beginning balance at Mar. 31, 2020	$ 2,539.3				$ 1.4			$ 2,134.8			$ (820.6)	$ 1,282.1	$ (58.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	588.9											588.9
Change in cumulative foreign currency translation adjustment	51.3												51.3
Change in unrealized gains on cash flow hedge, net	(4.9)												(4.9)
Net unrealized gain on available-for-sale securities, net of taxes	3.4												3.4
Stock-based compensation	113.7							113.7
Issuance of restricted stock, net of forfeitures and cancellations (in shares)					1.4
Net share settlement of restricted stock awards (in shares)					(0.5)
Net share settlement of restricted stock awards	(71.5)							(71.5)
Employee share purchase plan settlement (in shares)					0.1
Employee share purchase plan settlement				$ 14.2				14.2
Issuance of shares (in shares)					0.6
Issuance of shares related to acquisition	97.6							97.6
Ending balance (in shares) at Mar. 31, 2021					137.6
Ending balance (in shares) at Mar. 31, 2021											(22.4)
Ending balance at Mar. 31, 2021	3,332.0				$ 1.4			2,288.8			$ (820.6)	1,871.0	(8.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	418.0											418.0
Change in cumulative foreign currency translation adjustment	(43.6)												(43.6)
Net unrealized gain on available-for-sale securities, net of taxes	(5.1)												(5.1)
Repurchased common stock (in shares)											(1.3)
Repurchased common stock	(200.0)										$ (200.0)
Stock-based compensation	258.7							258.7
Issuance of restricted stock, net of forfeitures and cancellations (in shares)					1.2
Net share settlement of restricted stock awards (in shares)					(0.4)
Net share settlement of restricted stock awards	(64.1)							(64.1)
Employee share purchase plan settlement (in shares)					0.1
Employee share purchase plan settlement	19.7							19.7
Issuance of shares (in shares)					0.5
Issuance of shares related to acquisition	$ 94.1							94.1
Ending balance (in shares) at Mar. 31, 2022	115.4				139.0
Ending balance (in shares) at Mar. 31, 2022	(23.7)										(23.7)
Ending balance at Mar. 31, 2022	$ 3,809.7				$ 1.4			2,597.2			$ (1,020.6)	2,289.0	(57.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(1,124.7)											(1,124.7)
Change in cumulative foreign currency translation adjustment	(58.9)												(58.9)
Net unrealized gain on available-for-sale securities, net of taxes	2.9												2.9
Stock-based compensation	389.3							389.3
Issuance of restricted stock, net of forfeitures and cancellations (in shares)					2.7
Exercise of stock options (in shares)					1.0
Exercise of stock options	43.1							43.1
Net share settlement of restricted stock awards (in shares)					(0.9)
Net share settlement of restricted stock awards	(108.1)							(108.1)
Employee share purchase plan settlement (in shares)					0.2
Employee share purchase plan settlement	22.3							22.3
Issuance of shares (in shares)						46.3	0.6
Issuance of shares related to acquisition		$ 5,377.7	$ 57.8			$ 0.5			$ 5,377.2	$ 57.8
Stock-based compensation assumed in Zynga acquisition		$ 151.7							$ 151.7
Issuance of shares for conversion of Convertible Notes (in shares)					3.7
Issuance of shares related to Zynga convertible notes	$ 479.7							479.7
Ending balance (in shares) at Mar. 31, 2023	168.9				192.6
Ending balance (in shares) at Mar. 31, 2023	(23.7)										(23.7)
Ending balance at Mar. 31, 2023	$ 9,042.5				$ 1.9			$ 9,010.2			$ (1,020.6)	$ 1,164.3	$ (113.3)