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Financing Arrangements - Narrative (Details) |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 12, 2020 | May 12, 2020 USD ($) | Mar. 31, 2021 EUR (€) | Oct. 30, 2020 USD ($) | Oct. 30, 2020 EUR (€) | Sep. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Oct. 30, 2020 USD ($) | Jul. 26, 2019 USD ($) | Oct. 30, 2020 USD ($) | Oct. 25, 2019 USD ($) | Sep. 30, 2020 EUR (€) tranche | May 12, 2020 JPY (¥) | Apr. 24, 2020 USD ($) | Jun. 30, 2019 EUR (€) tranche
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal value |  |  |  | $ 27,000,000,000.0 |  |  |  | $ 27,000,000,000.0 |  | $ 27,000,000,000.0 |  |  |  | $ 24,500,000,000 |
Cash proceeds, net of discounts and issuance costs |  |  |  |  |  |  |  |  |  | 7,172,000,000 | $ 5,568,000,000 |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | 308,000,000 | $ 406,000,000 |  |  |  |
Financial Instruments Not Measured at Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, fair value |  |  |  | 29,900,000,000 |  |  |  | 29,900,000,000 |  | 29,900,000,000 |  |  |  | 27,100,000,000 |
Term Loan Agreements | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt instrument |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal value |  | $ 2,800,000,000 |  |  |  |  |  |  |  |  |  |  | ¥ 300,000,000,000 |  |
Term Loan Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional extension option, term of extension |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Agreements | Medtronic Luxco | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional extension option, term of extension | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Agreements | Medtronic Luxco | TIBOR Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term Loan Agreements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin added to variable rate |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper Program | Commercial Paper |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper, maximum borrowing amount |  |  |  | 3,500,000,000 |  |  |  | 3,500,000,000 |  | 3,500,000,000 |  |  |  |  |
Commercial paper, amount outstanding |  |  |  | 0 |  |  |  | 0 |  | 0 |  |  |  | 0 |
Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit, maximum capacity |  |  |  | 3,500,000,000 |  |  |  | 3,500,000,000 |  | $ 3,500,000,000 |  |  |  |  |
Term of debt instrument |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Line of credit, amount outstanding |  |  |  | 0 |  |  |  | 0 |  | $ 0 |  |  |  | $ 0 |
Senior Notes 2019 | Senior notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | tranche |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6
Principal value | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 5,000,000,000.0
Cash proceeds, net of discounts and issuance costs |  |  |  |  |  |  | $ 5,600,000,000 |  |  |  |  |  |  |  |
Medtronic Inc, CIFSA, and Medtronic Luxco Senior Notes | Senior notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  | 5,200,000,000 |  |  |  |  |  |  |  |
Total consideration |  |  |  | 6,300,000,000 |  |  | $ 5,600,000,000 |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  | $ 308,000,000 | $ 413,000,000 |  |  |  |  |  |
Medtronic Inc and CIFSA Senior Notes | Senior notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  | $ 4,300,000,000 |  |  |  |  |  |  |  |  |  |  |
Medtronic Luxco Senior Notes | Senior notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | € |  |  |  |  | € 1,500,000,000 |  |  |  |  |  |  |  |  |  |
Medtronic Luxco Senior Notes | Senior notes | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consideration | € |  |  | € 750,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes 2020 | Senior notes | Medtronic Luxco |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches | tranche |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |
Principal value | € |  |  |  |  |  |  |  |  |  |  |  | € 6,300,000,000 |  |  |
Cash proceeds, net of discounts and issuance costs |  |  |  |  |  | $ 7,200,000,000 |  |  |  |  |  |  |  |  |

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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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