CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Popcore Limited	Zynga Inc	Common Stock	Common Stock Popcore Limited	Common Stock Zynga Inc	Additional Paid-in Capital	Additional Paid-in Capital Popcore Limited	Additional Paid-in Capital Zynga Inc	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Mar. 31, 2022				139.0
Beginning balance (in shares) at Mar. 31, 2022										(23.7)
Beginning 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
Net loss	(514.4)										(514.4)
Change in cumulative foreign currency translation adjustment	(78.4)											(78.4)
Net unrealized gain on available-for-sale securities, net of taxes	1.5											1.5
Stock-based compensation	290.5						290.5
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				2.2
Net share settlement of restricted stock awards (in shares)				(0.7)
Net share settlement of restricted stock awards	(90.6)						(90.6)
Exercise of stock options (in shares)				0.9
Exercise of stock options	42.9						42.9
Issuance of shares related to Zynga Acquisition and Popcore (in shares)					0.6	46.3
Issuance of shares related to Zynga Acquisition and Popcore		$ 57.8	$ 5,377.7			$ 0.5		$ 57.8	$ 5,377.2
Stock-based compensation assumed in Zynga Acquisition			151.7						151.7
Employee share purchase plan settlement (in shares)				0.2
Employee share purchase plan settlement	22.3						22.3
Issuance of shares for conversion of Convertible Notes (in shares)				3.7
Issuance of shares for conversion of Convertible Notes	479.7						479.7
Ending balance (in shares) at Dec. 31, 2022				192.2
Ending balance (in shares) at Dec. 31, 2022										(23.7)
Ending balance at Dec. 31, 2022	9,550.4			$ 1.9			8,928.7			$ (1,020.6)	1,774.6	(134.2)
Beginning balance (in shares) at Sep. 30, 2022				191.2
Beginning balance (in shares) at Sep. 30, 2022										(23.7)
Beginning balance at Sep. 30, 2022	9,433.5			$ 1.9			8,760.5			$ (1,020.6)	1,928.0	(236.3)
Increase (Decrease) in Stockholders' Equity
Net loss	(153.4)										(153.4)
Change in cumulative foreign currency translation adjustment	100.7											100.7
Net unrealized gain on available-for-sale securities, net of taxes	1.4											1.4
Stock-based compensation	104.2						104.2
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				0.4
Net share settlement of restricted stock awards (in shares)				(0.1)
Net share settlement of restricted stock awards	(12.9)						(12.9)
Exercise of stock options	0.1						0.1
Issuance of shares related to Zynga Acquisition and Popcore (in shares)					0.6
Issuance of shares related to Zynga Acquisition and Popcore		$ 57.8						$ 57.8
Stock-based compensation assumed in Zynga Acquisition			$ 8.1						$ 8.1
Employee share purchase plan settlement (in shares)				0.1
Employee share purchase plan settlement	10.9						10.9
Ending balance (in shares) at Dec. 31, 2022				192.2
Ending balance (in shares) at Dec. 31, 2022										(23.7)
Ending balance at Dec. 31, 2022	$ 9,550.4			$ 1.9			8,928.7			$ (1,020.6)	1,774.6	(134.2)
Beginning balance (in shares) at Mar. 31, 2023	168.9			192.6
Beginning balance (in shares) at Mar. 31, 2023	(23.7)									(23.7)
Beginning balance at Mar. 31, 2023	$ 9,042.5			$ 1.9			9,010.2			$ (1,020.6)	1,164.3	(113.3)
Increase (Decrease) in Stockholders' Equity
Net loss	(841.2)										(841.2)
Change in cumulative foreign currency translation adjustment	29.2											29.2
Net unrealized gain on available-for-sale securities, net of taxes	1.4											1.4
Stock-based compensation	315.2						315.2
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				1.7
Net share settlement of restricted stock awards (in shares)				(0.5)
Net share settlement of restricted stock awards	(76.6)						(76.6)
Exercise of stock options	0.2						0.2
Employee share purchase plan settlement (in shares)				0.4
Employee share purchase plan settlement	$ 37.9						37.9
Ending balance (in shares) at Dec. 31, 2023	170.5			194.2
Ending balance (in shares) at Dec. 31, 2023	(23.7)									(23.7)
Ending balance at Dec. 31, 2023	$ 8,508.6			$ 1.9			9,286.9			$ (1,020.6)	323.1	(82.7)
Beginning balance (in shares) at Sep. 30, 2023				193.7
Beginning balance (in shares) at Sep. 30, 2023										(23.7)
Beginning balance at Sep. 30, 2023	8,430.1			$ 1.9			9,183.2			$ (1,020.6)	414.7	(149.1)
Increase (Decrease) in Stockholders' Equity
Net loss	(91.6)										(91.6)
Change in cumulative foreign currency translation adjustment	66.3											66.3
Net unrealized gain on available-for-sale securities, net of taxes	0.1											0.1
Stock-based compensation	103.8						103.8
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				0.4
Net share settlement of restricted stock awards (in shares)				(0.1)
Net share settlement of restricted stock awards	(19.5)						(19.5)
Employee share purchase plan settlement (in shares)				0.2
Employee share purchase plan settlement	$ 19.4						19.4
Ending balance (in shares) at Dec. 31, 2023	170.5			194.2
Ending balance (in shares) at Dec. 31, 2023	(23.7)									(23.7)
Ending balance at Dec. 31, 2023	$ 8,508.6			$ 1.9			$ 9,286.9			$ (1,020.6)	$ 323.1	$ (82.7)