Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 170	$ 195
Other comprehensive income (loss), net of tax:
Currency translation adjustments	25	(42)
Cash flow hedge adjustments	2	(2)
Postretirement benefits adjustments	9	1
Net other comprehensive income (loss)	36	(43)
Comprehensive income	$ 206	$ 152