Income Taxes - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes		$ (13)	$ 49	$ 41	$ 100
Effective tax rate		(6.00%)	29.00%	5.00%	26.00%
Net deferred income tax liability		$ 3,300		$ 3,300		$ 3,700
Corporate alternative minimum tax	15.00%