Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 258	$ 242	$ 453	$ 473
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(26)	(104)	(68)	(65)
Cash flow hedge adjustments	(1)	12	(3)	7
Postretirement benefits adjustments	0	1	1	3
Net other comprehensive income (loss)	(27)	(91)	(70)	(55)
Comprehensive income	$ 231	$ 151	$ 383	$ 418