Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 270	$ 285	$ 723	$ 758
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(60)	75	(128)	10
Cash flow hedge adjustments	6	(10)	3	(3)
Postretirement benefits adjustments	2	1	3	4
Net other comprehensive income (loss)	(52)	66	(122)	11
Comprehensive income	$ 218	$ 351	$ 601	$ 769