Segment Information (Net Revenue By Timing Recognition) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Revenue Reconciling Item
Net revenue	$ 1,881	$ 1,789	$ 5,552	$ 5,166
Recognized at a point in time
Segment Reporting, Revenue Reconciling Item
Net revenue	762	673	1,833	1,848
Recognized over time
Segment Reporting, Revenue Reconciling Item
Net revenue	$ 1,119	$ 1,116	$ 3,719	$ 3,318