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Segment and Geographic Information - Income From Operations Before Income Taxes by Reportable Segment and Reconciliation to Consolidated (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Apr. 24, 2020 | Apr. 26, 2019 | Apr. 27, 2018
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | $ 4,791 | $ 6,268 | $ 6,640
Other non-operating income, net | 356 | 373 | 181
Amortization of intangible assets | (1,756) | (1,764) | (1,823)
Certain litigation charges | (313) | (166) | (61)
Gain on sale of businesses | 0 | 0 | 697
Income before income taxes | 4,055 | 5,197 | 5,675
Reportable segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | 10,224 | 11,852 | 11,499
Reportable segments | Cardiac and Vascular Group |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | 3,719 | 4,532 | 4,461
Reportable segments | Minimally Invasive Therapies Group |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | 3,044 | 3,262 | 3,346
Reportable segments | Restorative Therapies Group |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | 2,915 | 3,319 | 3,058
Reportable segments | Diabetes Group |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment operating profit | 546 | 739 | 634
Segment reconciling items |  |  |
Segment Reporting Information [Line Items] |  |  |
Interest expense | (1,092) | (1,444) | (1,146)
Other non-operating income, net | 356 | 373 | 170
Amortization of intangible assets | (1,756) | (1,764) | (1,823)
Corporate | (1,239) | (1,291) | (1,211)
Centralized distribution costs | (1,420) | (1,689) | (1,936)
Restructuring and associated costs | (441) | (407) | (107)
Acquisition-related items | (66) | (88) | (132)
Certain litigation charges | (313) | (166) | (61)
IPR&D charges | (25) | (58) | (46)
Exit of businesses | (52) | (149) | 0
Debt tender premium and other charges | 7 | 28 | 0
Divestiture-related items | 0 | 0 | (115)
Medical device regulations | (48) | 0 | 0
Contribution to Medtronic Foundation | (80) | 0 | (80)
Gain on sale of businesses | 0 | 0 | 697
Hurricane Maria | $ 0 | $ 0 | $ (34)

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- Definition The following items are included within acquisition-related items: The change in the fair value of the contingent milestone consideration for the reporting period, certain-related acquisition costs, such as banker fees, legal fees, severance, and other professional fees, and impairment losses of recently acquired in-process research and development (IPR&D). + References No definition available. + Details
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