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 Income (Loss)
Beginning balance (in shares) at Mar. 31, 2021				137.6
Beginning balance (in shares) at Mar. 31, 2021										(22.4)
Beginning balance at Mar. 31, 2021	$ 3,331.9			$ 1.4			$ 2,288.8			$ (820.6)	$ 1,871.0	$ (8.7)
Increase (Decrease) in Stockholders' Equity
Net (loss) income	307.1										307.1
Change in cumulative foreign currency translation adjustment	(24.1)											(24.1)
Net unrealized gain on available-for-sale securities, net of taxes	(1.8)											(1.8)
Stock-based compensation	198.0						198.0
Repurchased common stock (in shares)										(1.3)
Repurchased common stock	(200.0)									$ (200.0)
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				1.1
Net share settlement of restricted stock awards (in shares)				(0.3)
Net share settlement of restricted stock awards	(59.1)						(59.1)
Employee share purchase plan settlement (in shares)				0.2
Employee share purchase plan settlement	19.6						19.6
Issuance of shares related to Zynga Acquisition (in shares)				0.5
Issuance of shares related to Zynga Acquisition	94.1						94.1
Ending balance (in shares) at Dec. 31, 2021				139.1
Ending balance (in shares) at Dec. 31, 2021										(23.7)
Ending balance at Dec. 31, 2021	3,665.7			$ 1.4			2,541.4			$ (1,020.6)	2,178.1	(34.6)
Beginning balance (in shares) at Sep. 30, 2021				138.9
Beginning balance (in shares) at Sep. 30, 2021										(23.7)
Beginning balance at Sep. 30, 2021	3,469.7			$ 1.4			2,475.1			$ (1,020.6)	2,033.5	(19.7)
Increase (Decrease) in Stockholders' Equity
Net (loss) income	144.6										144.6
Change in cumulative foreign currency translation adjustment	(13.5)											(13.5)
Net unrealized gain on available-for-sale securities, net of taxes	(1.4)											(1.4)
Stock-based compensation	61.7						61.7
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				0.1
Net share settlement of restricted stock awards	(5.8)						(5.8)
Employee share purchase plan settlement (in shares)				0.1
Employee share purchase plan settlement	10.4						10.4
Ending balance (in shares) at Dec. 31, 2021				139.1
Ending balance (in shares) at Dec. 31, 2021										(23.7)
Ending balance at Dec. 31, 2021	$ 3,665.7			$ 1.4			2,541.4			$ (1,020.6)	2,178.1	(34.6)
Beginning balance (in shares) at Mar. 31, 2022	115.4			139.0
Beginning balance (in shares) at Mar. 31, 2022	(23.7)									(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) income	(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
Exercise of stock options (in shares)				0.9
Exercise of stock options	42.9						42.9
Net share settlement of restricted stock awards (in shares)				(0.7)
Net share settlement of restricted stock awards	(90.6)						(90.6)
Employee share purchase plan settlement (in shares)				0.2
Employee share purchase plan settlement	22.3						22.3
Issuance of shares related to Zynga Acquisition (in shares)					0.6	46.3
Issuance of shares related to Zynga Acquisition		$ 57.8	$ 5,377.7			$ 0.5		$ 57.8	$ 5,377.2
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 Dec. 31, 2022	168.5			192.2
Ending balance (in shares) at Dec. 31, 2022	(23.7)									(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) income	(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		$ 8.1				104.2		$ 8.1
Issuance of restricted stock, net of forfeitures and cancellations (in shares)				0.4
Exercise of stock options	0.1						0.1
Net share settlement of restricted stock awards (in shares)				(0.1)
Net share settlement of restricted stock awards	(12.9)						(12.9)
Employee share purchase plan settlement (in shares)				0.1
Employee share purchase plan settlement	$ 10.9						10.9
Issuance of shares related to Zynga Acquisition (in shares)					0.6
Issuance of shares related to Zynga Acquisition		$ 57.8						$ 57.8
Ending balance (in shares) at Dec. 31, 2022	168.5			192.2
Ending balance (in shares) at Dec. 31, 2022	(23.7)									(23.7)
Ending balance at Dec. 31, 2022	$ 9,550.4			$ 1.9			$ 8,928.7			$ (1,020.6)	$ 1,774.6	$ (134.2)