Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Line Items]
Deferred tax assets related to federal tax credits	$ 0	$ 11,000,000
Deferred tax assets research and development	0	4,000,000
Unremitted earnings in foreign subsidiary	320,000,000	307,000,000
Income tax receivable	26,000,000	28,000,000
Unrecognized tax benefits would effect on effective tax rate	52,000,000	43,000,000	$ 22,000,000
Net increase in unrecognized tax benefits	12,000,000
Income Tax Penalties Accrued	0	0	$ 0
Federal [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0	955,000,000
State [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 13,000,000	$ 37,000,000
Expiration Dates	Mar. 31, 2024