Financing Arrangement - Schedule Of Interest Expense Related To Notes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
Amortization of debt issuance costs	$ 0	$ (1)	$ (1)	$ (2)
Coupon interest expense	(14)	(13)	(42)	(41)
Other interest expense	(1)	0	(1)	0
Total interest expense	$ (15)	$ (14)	$ (44)	$ (43)