Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jan. 28, 2022	Jan. 29, 2021	Jan. 28, 2022	Jan. 29, 2021
Income Statement [Abstract]
Net sales	$ 7,763	$ 7,775	$ 23,597	$ 21,929
Costs and expenses:
Cost of products sold	2,459	2,621	7,554	7,830
Research and development expense	668	601	2,094	1,861
Selling, general, and administrative expense	2,561	2,537	7,723	7,553
Amortization of intangible assets	432	453	1,298	1,337
Restructuring charges, net	12	83	32	235
Certain litigation charges, net	35	122	95	118
Other operating (income) expense, net	(63)	82	719	116
Operating profit	1,659	1,277	4,081	2,879
Other non-operating income, net	(67)	(86)	(244)	(233)
Interest expense	137	143	410	783
Income before income taxes	1,589	1,220	3,915	2,329
Income tax provision (benefit)	106	(59)	346	65
Net income	1,483	1,279	3,570	2,264
Net income attributable to noncontrolling interests	(4)	(9)	(16)	(18)
Net income attributable to Medtronic	$ 1,480	$ 1,270	$ 3,554	$ 2,246
Basic earnings per share (usd per share)	$ 1.10	$ 0.94	$ 2.64	$ 1.67
Diluted earnings per share (usd per share)	$ 1.10	$ 0.94	$ 2.63	$ 1.66
Basic weighted average shares outstanding (shares)	1,343.7	1,346.4	1,344.4	1,344.2
Diluted weighted average shares outstanding (shares)	1,350.3	1,356.0	1,353.9	1,352.7