Segment Information (Net Revenue By Revenue Composition ) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Item
Net revenue	$ 1,789	$ 1,673	$ 5,166	$ 4,283
Recognized at a point in time
Segment Reporting, Revenue Reconciling Item
Net revenue	673	860	1,848	1,639
Recognized over time
Segment Reporting, Revenue Reconciling Item
Net revenue	1,116	813	3,318	2,644
Full game, net revenue [Member]
Segment Reporting, Revenue Reconciling Item
Net revenue	616	722	1,555	1,363
Full game downloads, net revenue [Member]
Segment Reporting, Revenue Reconciling Item
Net revenue	400	347	970	733
Packaged goods, net revenue [Member]
Segment Reporting, Revenue Reconciling Item
Net revenue	216	375	585	630
Live services and other, net revenue [Member]
Segment Reporting, Revenue Reconciling Item
Net revenue	$ 1,173	$ 951	$ 3,611	$ 2,920