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Guarantor Financial Information - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jul. 28, 2017 | Jul. 29, 2016
Operating Activities: |  |
Net cash provided by (used in) operating activities | $ 737 | $ 1,550
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | (12)
Additions to property, plant, and equipment | (278) | (330)
Purchases of investments | (615) | (1,044)
Sales and maturities of investments | 971 | 1,104
Net (increase) decrease in intercompany loans | 0 | 0
Capital contribution paid | 0 | 0
Other investing activities, net | 5 | (2)
Net cash provided by (used in) investing activities | 83 | (284)
Financing Activities: |  |
Acquisition-related contingent consideration | (3) | (11)
Change in current debt obligations, net | 569 | 926
Issuance of long-term debt | 18 | 33
Payments on long-term debt | (8) | (17)
Dividends to shareholders | (625) | (599)
Issuance of ordinary shares | 143 | 214
Repurchase of ordinary shares | (1,233) | (1,763)
Net intercompany loan borrowings (repayments) | 0 | 0
Intercompany dividend paid | 0 |
Capital contribution received | 0 | 0
Other financing activities | (2) | 57
Net cash used in financing activities | (1,141) | (1,160)
Effect of exchange rate changes on cash and cash equivalents | 45 | 78
Net change in cash and cash equivalents | (276) | 184
Cash and cash equivalents at beginning of period | 4,967 | 2,876
Cash and cash equivalents at end of period | 4,691 | 3,060
Consolidating Adjustments | Medtronic Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 0 | 0
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | 0
Additions to property, plant, and equipment | 0 | 0
Purchases of investments | 0 | 162
Sales and maturities of investments | 0 | (162)
Net (increase) decrease in intercompany loans | (2,504) | 3,113
Capital contribution paid |  | 162
Other investing activities, net | 0 | 0
Net cash provided by (used in) investing activities | (2,504) | 3,275
Financing Activities: |  |
Acquisition-related contingent consideration | 0 | 0
Change in current debt obligations, net | 0 | 0
Issuance of long-term debt | 0 | 0
Payments on long-term debt | 0 | 0
Dividends to shareholders | 0 | 0
Issuance of ordinary shares | 0 | 0
Repurchase of ordinary shares | 0 | 0
Net intercompany loan borrowings (repayments) | 2,504 | (3,113)
Intercompany dividend paid | 0 |
Capital contribution received |  | (162)
Other financing activities | 0 | 0
Net cash used in financing activities | 2,504 | (3,275)
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net change in cash and cash equivalents | 0 | 0
Cash and cash equivalents at beginning of period | 0 | 0
Cash and cash equivalents at end of period | 0 | 0
Consolidating Adjustments | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | (250) | 0
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | 0
Additions to property, plant, and equipment | 0 | 0
Purchases of investments | 0 | 0
Sales and maturities of investments | 0 | 0
Net (increase) decrease in intercompany loans | 3,198 | (5,850)
Capital contribution paid | 452 | 325
Other investing activities, net | 0 | 0
Net cash provided by (used in) investing activities | 3,650 | (5,525)
Financing Activities: |  |
Acquisition-related contingent consideration | 0 | 0
Change in current debt obligations, net | 0 | 0
Issuance of long-term debt | 0 | 0
Payments on long-term debt | 0 | 0
Dividends to shareholders | 0 | 0
Issuance of ordinary shares | 0 | 0
Repurchase of ordinary shares | 0 | 0
Net intercompany loan borrowings (repayments) | (3,198) | 5,850
Intercompany dividend paid | 250 |
Capital contribution received | (452) | (325)
Other financing activities | 0 | 0
Net cash used in financing activities | (3,400) | 5,525
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net change in cash and cash equivalents | 0 | 0
Cash and cash equivalents at beginning of period | 0 | 0
Cash and cash equivalents at end of period | 0 | 0
Medtronic plc | Medtronic Senior Notes |  |
Financing Activities: |  |
Intercompany dividend paid | 0 |
Medtronic plc | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities |  | 440
Investing Activities: |  |
Acquisitions, net of cash acquired |  | 0
Additions to property, plant, and equipment |  | 0
Purchases of investments |  | 0
Sales and maturities of investments |  | 0
Net (increase) decrease in intercompany loans |  | 0
Capital contribution paid |  | 0
Other investing activities, net |  | 0
Net cash provided by (used in) investing activities |  | 0
Financing Activities: |  |
Acquisition-related contingent consideration |  | 0
Change in current debt obligations, net |  | 0
Issuance of long-term debt |  | 0
Payments on long-term debt |  | 0
Dividends to shareholders |  | (599)
Issuance of ordinary shares |  | 214
Repurchase of ordinary shares |  | (1,763)
Net intercompany loan borrowings (repayments) |  | 1,708
Capital contribution received |  | 0
Other financing activities |  | 0
Net cash used in financing activities |  | (440)
Effect of exchange rate changes on cash and cash equivalents |  | 0
Net change in cash and cash equivalents |  | 0
Cash and cash equivalents at beginning of period |  | 0
Cash and cash equivalents at end of period |  | 0
Medtronic plc | Reportable Legal Entities | Medtronic Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 24 | 440
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | 0
Additions to property, plant, and equipment | 0 | 0
Purchases of investments | 0 | 0
Sales and maturities of investments | 0 | 0
Net (increase) decrease in intercompany loans | 0 | 0
Capital contribution paid |  | 0
Other investing activities, net | 0 | 0
Net cash provided by (used in) investing activities | 0 | 0
Financing Activities: |  |
Acquisition-related contingent consideration | 0 | 0
Change in current debt obligations, net | 0 | 0
Issuance of long-term debt | 0 | 0
Payments on long-term debt | 0 | 0
Dividends to shareholders | (625) | (599)
Issuance of ordinary shares | 143 | 214
Repurchase of ordinary shares | (1,233) | (1,763)
Net intercompany loan borrowings (repayments) | 1,691 | 1,708
Capital contribution received |  | 0
Other financing activities | 0 | 0
Net cash used in financing activities | (24) | (440)
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net change in cash and cash equivalents | 0 | 0
Cash and cash equivalents at beginning of period | 0 | 0
Cash and cash equivalents at end of period | 0 | 0
Medtronic plc | Reportable Legal Entities | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 24 |
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 |
Additions to property, plant, and equipment | 0 |
Purchases of investments | 0 |
Sales and maturities of investments | 0 |
Net (increase) decrease in intercompany loans | 0 |
Capital contribution paid | 0 |
Other investing activities, net | 0 |
Net cash provided by (used in) investing activities | 0 |
Financing Activities: |  |
Acquisition-related contingent consideration | 0 |
Change in current debt obligations, net | 0 |
Issuance of long-term debt | 0 |
Payments on long-term debt | 0 |
Dividends to shareholders | (625) |
Issuance of ordinary shares | 143 |
Repurchase of ordinary shares | (1,233) |
Net intercompany loan borrowings (repayments) | 1,691 |
Intercompany dividend paid | 0 |
Capital contribution received | 0 |
Other financing activities | 0 |
Net cash used in financing activities | (24) |
Effect of exchange rate changes on cash and cash equivalents | 0 |
Net change in cash and cash equivalents | 0 |
Cash and cash equivalents at beginning of period | 0 |
Cash and cash equivalents at end of period | 0 |
Subsidiary Issuer | Medtronic Senior Notes |  |
Financing Activities: |  |
Intercompany dividend paid | 0 |
Subsidiary Issuer | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities |  | (7)
Investing Activities: |  |
Acquisitions, net of cash acquired |  | 0
Additions to property, plant, and equipment |  | 0
Purchases of investments |  | 0
Sales and maturities of investments |  | 0
Net (increase) decrease in intercompany loans |  | 4,290
Capital contribution paid |  | (325)
Other investing activities, net |  | 0
Net cash provided by (used in) investing activities |  | 3,965
Financing Activities: |  |
Acquisition-related contingent consideration |  | 0
Change in current debt obligations, net |  | 0
Issuance of long-term debt |  | 0
Payments on long-term debt |  | 0
Dividends to shareholders |  | 0
Issuance of ordinary shares |  | 0
Repurchase of ordinary shares |  | 0
Net intercompany loan borrowings (repayments) |  | (4,081)
Capital contribution received |  | 0
Other financing activities |  | 0
Net cash used in financing activities |  | (4,081)
Effect of exchange rate changes on cash and cash equivalents |  | 0
Net change in cash and cash equivalents |  | (123)
Cash and cash equivalents at beginning of period |  | 208
Cash and cash equivalents at end of period |  | 85
Subsidiary Issuer | Reportable Legal Entities | Medtronic Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | (355) | 534
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | 0
Additions to property, plant, and equipment | (68) | 0
Purchases of investments | 0 | 0
Sales and maturities of investments | 0 | 162
Net (increase) decrease in intercompany loans | 431 | (541)
Capital contribution paid |  | (162)
Other investing activities, net | 0 | 0
Net cash provided by (used in) investing activities | 363 | (541)
Financing Activities: |  |
Acquisition-related contingent consideration | 0 | 0
Change in current debt obligations, net | 0 | 0
Issuance of long-term debt | 0 | 0
Payments on long-term debt | 0 | 0
Dividends to shareholders | 0 | 0
Issuance of ordinary shares | 0 | 0
Repurchase of ordinary shares | 0 | 0
Net intercompany loan borrowings (repayments) | 10 | (2)
Capital contribution received |  | 0
Other financing activities | 0 | 0
Net cash used in financing activities | 10 | (2)
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net change in cash and cash equivalents | 18 | (9)
Cash and cash equivalents at beginning of period | 45 | 55
Cash and cash equivalents at end of period | 63 | 46
Subsidiary Issuer | Reportable Legal Entities | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 234 |
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 |
Additions to property, plant, and equipment | 0 |
Purchases of investments | 0 |
Sales and maturities of investments | 0 |
Net (increase) decrease in intercompany loans | 183 |
Capital contribution paid | (452) |
Other investing activities, net | 0 |
Net cash provided by (used in) investing activities | (269) |
Financing Activities: |  |
Acquisition-related contingent consideration | 0 |
Change in current debt obligations, net | 0 |
Issuance of long-term debt | 0 |
Payments on long-term debt | 0 |
Dividends to shareholders | 0 |
Issuance of ordinary shares | 0 |
Repurchase of ordinary shares | 0 |
Net intercompany loan borrowings (repayments) | 2 |
Intercompany dividend paid | 0 |
Capital contribution received | 0 |
Other financing activities | 0 |
Net cash used in financing activities | 2 |
Effect of exchange rate changes on cash and cash equivalents | 0 |
Net change in cash and cash equivalents | (33) |
Cash and cash equivalents at beginning of period | 33 |
Cash and cash equivalents at end of period | 0 |
Subsidiary Guarantors | Medtronic Senior Notes |  |
Financing Activities: |  |
Intercompany dividend paid | 0 |
Subsidiary Guarantors | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities |  | 0
Investing Activities: |  |
Acquisitions, net of cash acquired |  | 0
Additions to property, plant, and equipment |  | 0
Purchases of investments |  | 0
Sales and maturities of investments |  | 0
Net (increase) decrease in intercompany loans |  | (1,774)
Capital contribution paid |  | 0
Other investing activities, net |  | 0
Net cash provided by (used in) investing activities |  | (1,774)
Financing Activities: |  |
Acquisition-related contingent consideration |  | 0
Change in current debt obligations, net |  | 975
Issuance of long-term debt |  | 0
Payments on long-term debt |  | 0
Dividends to shareholders |  | 0
Issuance of ordinary shares |  | 0
Repurchase of ordinary shares |  | 0
Net intercompany loan borrowings (repayments) |  | 854
Capital contribution received |  | 0
Other financing activities |  | 0
Net cash used in financing activities |  | 1,829
Effect of exchange rate changes on cash and cash equivalents |  | 0
Net change in cash and cash equivalents |  | 55
Cash and cash equivalents at beginning of period |  | 0
Cash and cash equivalents at end of period |  | 55
Subsidiary Guarantors | Reportable Legal Entities | Medtronic Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 86 | 13
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | 0
Additions to property, plant, and equipment | 0 | 0
Purchases of investments | 0 | 0
Sales and maturities of investments | 0 | 0
Net (increase) decrease in intercompany loans | (2,007) | (1,787)
Capital contribution paid |  | 0
Other investing activities, net | 0 | 0
Net cash provided by (used in) investing activities | (2,007) | (1,787)
Financing Activities: |  |
Acquisition-related contingent consideration | 0 | 0
Change in current debt obligations, net | 572 | 975
Issuance of long-term debt | 0 | 0
Payments on long-term debt | 0 | 0
Dividends to shareholders | 0 | 0
Issuance of ordinary shares | 0 | 0
Repurchase of ordinary shares | 0 | 0
Net intercompany loan borrowings (repayments) | 1,373 | 854
Capital contribution received |  | 0
Other financing activities | 0 | 0
Net cash used in financing activities | 1,945 | 1,829
Effect of exchange rate changes on cash and cash equivalents | 0 | 0
Net change in cash and cash equivalents | 24 | 55
Cash and cash equivalents at beginning of period | 5 | 0
Cash and cash equivalents at end of period | 29 | 55
Subsidiary Guarantors | Reportable Legal Entities | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 88 |
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 |
Additions to property, plant, and equipment | 0 |
Purchases of investments | 0 |
Sales and maturities of investments | 0 |
Net (increase) decrease in intercompany loans | (2,007) |
Capital contribution paid | 0 |
Other investing activities, net | 0 |
Net cash provided by (used in) investing activities | (2,007) |
Financing Activities: |  |
Acquisition-related contingent consideration | 0 |
Change in current debt obligations, net | 572 |
Issuance of long-term debt | 0 |
Payments on long-term debt | 0 |
Dividends to shareholders | 0 |
Issuance of ordinary shares | 0 |
Repurchase of ordinary shares | 0 |
Net intercompany loan borrowings (repayments) | 1,372 |
Intercompany dividend paid | 0 |
Capital contribution received | 0 |
Other financing activities | 0 |
Net cash used in financing activities | 1,944 |
Effect of exchange rate changes on cash and cash equivalents | 0 |
Net change in cash and cash equivalents | 25 |
Cash and cash equivalents at beginning of period | 5 |
Cash and cash equivalents at end of period | 30 |
Subsidiary Non-guarantors | Medtronic Senior Notes |  |
Financing Activities: |  |
Intercompany dividend paid | 0 |
Subsidiary Non-guarantors | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities |  | 1,117
Investing Activities: |  |
Acquisitions, net of cash acquired |  | (12)
Additions to property, plant, and equipment |  | (330)
Purchases of investments |  | (1,044)
Sales and maturities of investments |  | 1,104
Net (increase) decrease in intercompany loans |  | 3,334
Capital contribution paid |  | 0
Other investing activities, net |  | (2)
Net cash provided by (used in) investing activities |  | 3,050
Financing Activities: |  |
Acquisition-related contingent consideration |  | (11)
Change in current debt obligations, net |  | (49)
Issuance of long-term debt |  | 33
Payments on long-term debt |  | (17)
Dividends to shareholders |  | 0
Issuance of ordinary shares |  | 0
Repurchase of ordinary shares |  | 0
Net intercompany loan borrowings (repayments) |  | (4,331)
Capital contribution received |  | 325
Other financing activities |  | 57
Net cash used in financing activities |  | (3,993)
Effect of exchange rate changes on cash and cash equivalents |  | 78
Net change in cash and cash equivalents |  | 252
Cash and cash equivalents at beginning of period |  | 2,668
Cash and cash equivalents at end of period |  | 2,920
Subsidiary Non-guarantors | Reportable Legal Entities | Medtronic Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 982 | 563
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 | (12)
Additions to property, plant, and equipment | (210) | (330)
Purchases of investments | (615) | (1,206)
Sales and maturities of investments | 971 | 1,104
Net (increase) decrease in intercompany loans | 4,080 | (785)
Capital contribution paid |  | 0
Other investing activities, net | 5 | (2)
Net cash provided by (used in) investing activities | 4,231 | (1,231)
Financing Activities: |  |
Acquisition-related contingent consideration | (3) | (11)
Change in current debt obligations, net | (3) | (49)
Issuance of long-term debt | 18 | 33
Payments on long-term debt | (8) | (17)
Dividends to shareholders | 0 | 0
Issuance of ordinary shares | 0 | 0
Repurchase of ordinary shares | 0 | 0
Net intercompany loan borrowings (repayments) | (5,578) | 553
Capital contribution received |  | 162
Other financing activities | (2) | 57
Net cash used in financing activities | (5,576) | 728
Effect of exchange rate changes on cash and cash equivalents | 45 | 78
Net change in cash and cash equivalents | (318) | 138
Cash and cash equivalents at beginning of period | 4,917 | 2,821
Cash and cash equivalents at end of period | 4,599 | $ 2,959
Subsidiary Non-guarantors | Reportable Legal Entities | CIFSA Senior Notes |  |
Operating Activities: |  |
Net cash provided by (used in) operating activities | 641 |
Investing Activities: |  |
Acquisitions, net of cash acquired | 0 |
Additions to property, plant, and equipment | (278) |
Purchases of investments | (615) |
Sales and maturities of investments | 971 |
Net (increase) decrease in intercompany loans | (1,374) |
Capital contribution paid | 0 |
Other investing activities, net | 5 |
Net cash provided by (used in) investing activities | (1,291) |
Financing Activities: |  |
Acquisition-related contingent consideration | (3) |
Change in current debt obligations, net | (3) |
Issuance of long-term debt | 18 |
Payments on long-term debt | (8) |
Dividends to shareholders | 0 |
Issuance of ordinary shares | 0 |
Repurchase of ordinary shares | 0 |
Net intercompany loan borrowings (repayments) | 133 |
Intercompany dividend paid | (250) |
Capital contribution received | 452 |
Other financing activities | (2) |
Net cash used in financing activities | 337 |
Effect of exchange rate changes on cash and cash equivalents | 45 |
Net change in cash and cash equivalents | (268) |
Cash and cash equivalents at beginning of period | 4,929 |
Cash and cash equivalents at end of period | $ 4,661 |

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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