Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 100	$ 259	$ 576	$ 687
Other comprehensive income (loss), net of tax:
Currency translation adjustments	119	(27)	108	(49)
Cash flow hedge adjustments	(34)	16	(24)	40
Postretirement benefits adjustments	6	5	10	13
Net other comprehensive income (loss)	91	(6)	94	4
Comprehensive income	$ 191	$ 253	$ 670	$ 691