Goodwill and Other Intangible Assets (Details) $ in Millions	6 Months Ended
	Oct. 31, 2022 USD ($)
Goodwill [Roll Forward]
Balance at April 30, 2022	$ 761
Foreign currency translation adjustment	(13)
Balance at October 31, 2022	748
Indefinite-lived Intangible Assets [Roll Forward]
Balance at April 30, 2022	586
Foreign currency translation adjustment	(15)
Balance at October 31, 2022	$ 571