Income Taxes - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Provision for income taxes		$ 49	$ 197	$ 100	$ 464
Effective tax rate		29.00%	24.00%	26.00%	23.00%
Net deferred income tax liability		$ 1,300		$ 1,300		$ 1,600
Corporate alternative minimum tax	15.00%