Segment Information (Net Revenue By Revenue Composition) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	$ 6,991	$ 5,629	$ 5,537
Full game, net revenue [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	1,993	1,613	1,887
Full game downloads, net revenue [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	1,282	918	811
Packaged goods, net revenue [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	711	695	1,076
Live services and other, net revenue [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue	$ 4,998	$ 4,016	$ 3,650