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Financing Arrangements - Additional Information (Details) |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
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May 12, 2020 JPY (¥) | Dec. 12, 2019 USD ($) | Dec. 12, 2018 extension | Mar. 31, 2020 USD ($) | Aug. 30, 2019 USD ($) | Jul. 31, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) tranche | Jul. 26, 2019 USD ($) | Apr. 24, 2020 USD ($) | Apr. 26, 2019 USD ($) | Apr. 27, 2018 USD ($) | May 12, 2020 USD ($) | Jun. 30, 2019 EUR (€) tranche | Mar. 31, 2019 EUR (€) tranche
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of current debt obligations outstanding |  |  |  |  |  |  |  |  |  | $ 2,776,000,000 | $ 838,000,000 |  |  |  |
Principal value |  |  |  |  |  |  |  |  |  | 24,500,000,000 | 25,000,000,000.0 |  |  |  |
Cash proceeds |  |  |  |  |  |  |  |  |  | 5,568,000,000 | 7,794,000,000 | $ 21,000,000 |  |  |
Loss on debt extinguishment |  |  |  |  |  |  |  |  |  | 406,000,000 | 457,000,000 | $ 38,000,000 |  |  |
Estimated fair value of senior notes |  |  |  |  |  |  |  |  |  | 27,100,000,000 | 26,200,000,000 |  |  |  |
Unsecured Term Loan | Medtronic Luxco | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt term | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal value | ¥ 300,000,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 2,800,000,000 |  |
Additional extension option, term | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Term Loan | Medtronic Luxco | Subsequent Event [Member] | TIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin added per annum | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |
$3.5 Billion Revolving Credit Facility | Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt term |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit, number of extension options | extension |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
Length of extension from maturity date |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |
Additional borrowing capacity |  | $ 1,000,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Committed line of credit outstanding |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |
2019 Senior Notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | tranche |  |  |  |  |  |  |  | 6 |  |  |  |  |  | 6 | 6
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 5,000,000,000.0 | € 7,000,000,000.0
Cash proceeds |  |  |  |  |  |  | $ 5,600,000,000 | $ 7,800,000,000 |  |  |  |  |  |  |
Floating rate two-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |
Floating rate two-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 250,000,000 | € 500,000,000
0.000 percent two-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |
0.000 percent two-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  | 0.00%
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,500,000,000
0.375 percent four-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 0.375% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
0.375 percent four-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 0.375% |  |  |  |  |  |  | 0.375%
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,500,000,000
1.125 percent eight-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 1.125% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 8 years |  |  |  |  |
1.125 percent eight-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 1.125% |  |  |  |  |  |  | 1.125%
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,500,000,000
1.625 percent twelve-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 1.625% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 12 years |  |  |  |  |
1.625 percent twelve-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 1.625% |  |  |  |  |  |  | 1.625%
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0
2.250 percent twenty-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
2.250 percent twenty-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  | 2.25%
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0
0.000 percent four-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |
0.000 percent four-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 750,000,000 |
0.250 percent seven-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |
0.250 percent seven-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0 |
1.000 percent thirteen-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 13 years |  |  |  |  |
1.000 percent thirteen-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0 |
1.500 percent twenty-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
1.500 percent twenty-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0 |
1.750 percent thirty-year 2019 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 1.75% |  |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |
1.750 percent thirty-year 2019 senior notes | Senior Notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.75% |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,000,000,000.0 |
Medtronic Inc. and CIFSA Senior Notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of senior notes, face amount |  |  |  |  |  |  |  | $ 6,400,000,000 |  |  |  |  |  |  |
Redemption of senior notes, consideration |  |  |  |  |  |  |  | 6,900,000,000 |  |  |  |  |  |  |
Loss on debt extinguishment |  |  |  |  |  |  |  | $ 485,000,000 |  |  |  |  |  |  |
Medtronic Inc, CIFSA, and Medtronic Luxco Senior Notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption of senior notes, face amount |  |  |  |  |  | $ 4,600,000,000 |  |  |  |  |  |  |  |  |
Redemption of senior notes, consideration |  |  |  |  |  | $ 5,000,000,000.0 |  |  |  |  |  |  |  |  |
Loss on debt extinguishment |  |  |  |  |  |  |  |  | $ 413,000,000 |  |  |  |  |  |
Early redemption premium |  |  |  |  | $ 16,000,000 |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  | $ 533,000,000 |  |  |  |  |  |  |  |  |  |
Floating rate five-year 2015 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt term |  |  |  | 5 years |  |  |  |  |  | 5 years |  |  |  |  |
Extinguishment of debt |  |  |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |  |
4.125 percent ten-year 2011 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 4.125% | 4.125% |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Principal value |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |  |  |  |
3.125 percent ten-year 2012 senior notes | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 3.125% | 3.125% |  |  |  |
Debt term |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Principal value |  |  |  |  |  |  |  |  |  |  | $ 675,000,000 |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper, maximum borrowing capacity |  |  |  |  |  |  |  |  |  | $ 3,500,000,000 |  |  |  |  |
Amount of current debt obligations outstanding |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |
Weighted average original maturity |  |  |  |  |  |  |  |  |  | 7 days | 27 days |  |  |  |
Weighted average interest rate |  |  |  |  |  |  |  |  |  | 2.31% | 2.12% |  |  |  |
Minimum | Bank borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  | 0.21% |  |  |  |  |

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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