Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Apr. 28, 2023	Apr. 29, 2022	Apr. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 3,784	$ 5,062	$ 3,630
Other comprehensive (loss) income, net of tax:
Unrealized (loss) gain on investment securities	(49)	(301)	92
Translation adjustment	(240)	(2,086)	1,699
Net investment hedge	(596)	2,299	(1,694)
Net change in retirement obligations	32	574	505
Unrealized (loss) gain on cash flow hedges	(381)	727	(519)
Other comprehensive (loss) income	(1,234)	1,213	83
Comprehensive income including noncontrolling interests	2,549	6,274	3,713
Comprehensive income attributable to noncontrolling interests	(26)	(16)	(32)
Comprehensive income attributable to Medtronic	$ 2,524	$ 6,258	$ 3,681