| Document And Entity Information | Aug. 24, 2021 | Feb. 23, 2021 |
| Entity Information [Line Items] | ||
| Document Type | 8-K | |
| Document Period End Date | Aug. 24, 2021 | |
| Entity Registrant Name | Medtronic plc | |
| Entity Incorporation, State or Country Code | L2 | |
| Entity File Number | 1-36820 | |
| Entity Tax Identification Number | 98-1183488 | |
| Entity Address, Address Line One | 20 On Hatch, Lower Hatch Street | |
| Entity Address, City or Town | Dublin 2 | |
| Entity Address, Country | IE | |
| Entity Address, Postal Zip Code | D02 XH02 | |
| Country Region | 353 | |
| City Area Code | 1 | |
| Local Phone Number | 438-1700 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Entity Central Index Key | 0001613103 | |
| Ordinary shares, par value $0.0001 per share | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | Ordinary shares, par value $0.0001 per share | |
| Trading Symbol | MDT | |
| Security Exchange Name | NYSE | |
| 0.00% Senior Notes due 2022 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.00% Senior Notes due 2022 | |
| Trading Symbol | MDT/22B | |
| Security Exchange Name | NYSE | |
| 0.375% Senior Notes due 2023 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.375% Senior Notes due 2023 | |
| Trading Symbol | MDT/23B | |
| Security Exchange Name | NYSE | |
| 0.000% Senior Notes due 2023 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.000% Senior Notes due 2023 | |
| Trading Symbol | MDT/23C | |
| Security Exchange Name | NYSE | |
| 0.25% Senior Notes due 2025 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.25% Senior Notes due 2025 | |
| Trading Symbol | MDT/25 | |
| Security Exchange Name | NYSE | |
| 0.000% Senior Notes due 2025 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.000% Senior Notes due 2025 | |
| Trading Symbol | MDT/25A | |
| Security Exchange Name | NYSE | |
| 1.125% Senior Notes due 2027 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.125% Senior Notes due 2027 | |
| Trading Symbol | MDT/27 | |
| Security Exchange Name | NYSE | |
| 0.375% Senior Notes due 2028 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.375% Senior Notes due 2028 | |
| Trading Symbol | MDT/28 | |
| Security Exchange Name | NYSE | |
| 1.625% Senior Notes due 2031 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.625% Senior Notes due 2031 | |
| Trading Symbol | MDT/31 | |
| Security Exchange Name | NYSE | |
| 1.00% Senior Notes due 2031 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.00% Senior Notes due 2031 | |
| Trading Symbol | MDT/31A | |
| Security Exchange Name | NYSE | |
| 0.750% Senior Notes due 2032 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 0.750% Senior Notes due 2032 | |
| Trading Symbol | MDT/32 | |
| Security Exchange Name | NYSE | |
| 2.250% Senior Notes due 2039 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 2.250% Senior Notes due 2039 | |
| Trading Symbol | MDT/39A | |
| Security Exchange Name | NYSE | |
| 1.50% Senior Notes due 2039 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.50% Senior Notes due 2039 | |
| Trading Symbol | MDT/39B | |
| Security Exchange Name | NYSE | |
| 1.375% Senior Notes due 2040 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.375% Senior Notes due 2040 | |
| Trading Symbol | MDT/40A | |
| Security Exchange Name | NYSE | |
| 1.75% Senior Notes due 2049 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.75% Senior Notes due 2049 | |
| Trading Symbol | MDT/49 | |
| Security Exchange Name | NYSE | |
| 1.625% Senior Notes due 2050 | ||
| Entity Information [Line Items] | ||
| Title of 12(b) Security | 1.625% Senior Notes due 2050 | |
| Trading Symbol | MDT/50 | |
| Security Exchange Name | NYSE |
