REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Revenue from External Customer [Line Items]
Total net revenue	$ 1,407.8	$ 903.3	$ 3,903.7	$ 2,574.8
Recurrent consumer spending
Revenue from External Customer [Line Items]
Total net revenue	1,115.4	547.8	3,042.8	1,683.7
Full game and other
Revenue from External Customer [Line Items]
Total net revenue	292.4	355.5	860.9	891.1
Mobile
Revenue from External Customer [Line Items]
Total net revenue	721.2	103.8	1,820.9	301.2
Console
Revenue from External Customer [Line Items]
Total net revenue	561.4	665.5	1,720.5	1,864.0
PC and other
Revenue from External Customer [Line Items]
Total net revenue	125.2	134.0	362.3	409.6
Digital online
Revenue from External Customer [Line Items]
Total net revenue	1,336.7	795.7	3,693.7	2,315.6
Physical retail and other
Revenue from External Customer [Line Items]
Total net revenue	71.1	107.6	210.0	259.2
Over time
Revenue from External Customer [Line Items]
Total net revenue	1,120.0	555.6	3,043.9	1,665.4
Point in time
Revenue from External Customer [Line Items]
Total net revenue	$ 287.8	$ 347.7	$ 859.8	$ 909.4