Goodwill and Other Intangible Assets (Details) $ in Millions	9 Months Ended
	Jan. 31, 2025 USD ($)
Goodwill [Roll Forward]
Balance at April 30, 2024	$ 1,455
Foreign currency translation adjustment	(20)
Balance at January 31, 2025	1,435
Indefinite-lived Intangible Assets [Roll Forward]
Balance at April 30, 2024	990
Foreign currency translation adjustment	(17)
Balance at January 31, 2025	$ 973