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Acquisitions and Acquisition-Related Items , Additional Information (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 23, 2016 | Aug. 05, 2016 | Aug. 31, 2016 | Apr. 28, 2017 | Apr. 29, 2016 | Apr. 24, 2015
Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 38,515 | $ 41,500 | $ 40,530
Repayments of debt |  |  | $ 203 |  |  |
Current debt obligations |  |  |  | 7,520 | 993 |
Acquisition-related charges |  |  |  | 230 | 283 | 550
Contingent consideration |  |  |  | 246 | 377 | 264
Other liabilities |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent consideration |  |  |  | 180 | 311 |
Other accrued expenses |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent consideration |  |  |  | 66 | 66 |
Professional services and integration costs |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related charges |  |  |  | 225 | 219 | 275
Accelerated or incremental stock compensation expense |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related charges |  |  |  | 23 | $ 58 | 189
Incremental officer and director excise tax |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related charges |  |  |  |  |  | $ 69
Cost of products sold |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Acquisition-related charges |  |  |  | 10 |  |
HeartWare International, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total consideration | $ 1,072 |  |  |  |  |
Finite-lived intangibles | 625 |  |  |  |  |
Goodwill | 427 |  |  |  |  |
Long-term debt | 245 |  |  |  |  |
Current debt obligations |  |  |  | 42 |  |
Sales attributable to acquired entity since acquisition date |  |  |  | 155 |  |
HeartWare International, Inc. | Customer-related and technology-related |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangibles | $ 602 |  |  |  |  |
Finite-lived intangible asset, useful life | 15 years |  |  |  |  |
HeartWare International, Inc. | Tradenames |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangibles | $ 23 |  |  |  |  |
Finite-lived intangible asset, useful life | 5 years |  |  |  |  |
Smith & Nephew's Gynecology Business |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Total consideration |  | $ 350 |  |  |  |
Finite-lived intangibles |  | 167 |  |  |  |
Goodwill |  | 180 |  |  |  |
Long-term debt |  | 0 |  |  |  |
Sales attributable to acquired entity since acquisition date |  |  |  | $ 45 |  |
Smith & Nephew's Gynecology Business | Customer-related and technology-related |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Finite-lived intangibles |  | $ 167 |  |  |  |
Finite-lived intangible asset, useful life |  | 13 years |  |  |  |

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- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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