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Financing Arrangements - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
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%