Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2022	Apr. 30, 2021	Apr. 24, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 5,062	$ 3,630	$ 4,806
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on investment securities	(301)	92	45
Translation adjustment	(2,086)	1,699	(829)
Net investment hedge	2,299	(1,694)	405
Net change in retirement obligations	574	505	(544)
Unrealized (loss) gain on cash flow hedges	727	(519)	72
Other comprehensive income (loss)	1,213	83	(851)
Comprehensive income including noncontrolling interests	6,274	3,713	3,955
Comprehensive income attributable to noncontrolling interests	(16)	(32)	(15)
Comprehensive income attributable to Medtronic	$ 6,258	$ 3,681	$ 3,940