Goodwill and Other Intangible Assets (Details) $ in Millions	6 Months Ended
	Oct. 31, 2024 USD ($)
Goodwill [Roll Forward]
Balance at April 30, 2024	$ 1,455
Foreign currency translation adjustment	13
Balance at October 31, 2024	1,468
Indefinite-lived Intangible Assets [Roll Forward]
Balance at April 30, 2024	990
Foreign currency translation adjustment	10
Balance at October 31, 2024	$ 1,000