Segment Information (Net Revenue By Platform) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Net Revenue by Platform [Line Items]
Net revenue	$ 1,789	$ 1,673	$ 5,166	$ 4,283
Console
Net Revenue by Platform [Line Items]
Net revenue	1,138	1,191	3,308	2,837
PC and other
Net Revenue by Platform [Line Items]
Net revenue	374	326	1,112	900
Mobile
Net Revenue by Platform [Line Items]
Net revenue	$ 277	$ 156	$ 746	$ 546