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Acquisitions and Acquisition-Related Items - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 30, 2015 | Oct. 02, 2015 | Aug. 31, 2015 | Aug. 11, 2015 | Apr. 24, 2015 | Jan. 26, 2015
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Goodwill | $ 41,274 |  |  |  | $ 40,530 |
Covidien plc [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Accounts receivable |  |  |  |  |  | $ 1,349
Inventories |  |  |  |  |  | 2,221
Other current assets |  |  |  |  |  | 3,134
Property, plant, and equipment |  |  |  |  |  | 2,333
Goodwill |  |  |  |  |  | 29,608
Intangible assets |  |  |  |  |  | 26,194
Other assets |  |  |  |  |  | 771
Total assets acquired |  |  |  |  |  | 65,610
Short-term borrowings |  |  |  |  |  | 1,011
Other current liabilities |  |  |  |  |  | 2,418
Long-term debt |  |  |  |  |  | 4,623
Long-term deferred tax liabilities |  |  |  |  |  | 4,809
Other long-term liabilities |  |  |  |  |  | 2,761
Total liabilities assumed |  |  |  |  |  | 15,622
Net assets acquired |  |  |  |  |  | 49,988
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract] |  |  |  |  |  |
Accounts receivable | 0 |  |  |  |  |
Inventories | (1) |  |  |  |  |
Other current assets | 185 |  |  |  |  |
Property, plant, and equipment | (21) |  |  |  |  |
Goodwill | 22 |  |  |  |  |
Intangible assets | (71) |  |  |  |  |
Other assets | 24 |  |  |  |  |
Total assets acquired | 138 |  |  |  |  |
Short-term borrowings | 0 |  |  |  |  |
Other current liabilities | 87 |  |  |  |  |
Long-term debt | 0 |  |  |  |  |
Long-term deferred tax liabilities | 73 |  |  |  |  |
Other long-term liabilities | (22) |  |  |  |  |
Total liabilities assumed | 138 |  |  |  |  |
Net assets acquired | 0 |  |  |  |  |
Covidien plc [Member] | Scenario, Previously Reported [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Accounts receivable |  |  |  |  |  | 1,349
Inventories |  |  |  |  |  | 2,222
Other current assets |  |  |  |  |  | 2,949
Property, plant, and equipment |  |  |  |  |  | 2,354
Goodwill |  |  |  |  |  | 29,586
Intangible assets |  |  |  |  |  | 26,265
Other assets |  |  |  |  |  | 747
Total assets acquired |  |  |  |  |  | 65,472
Short-term borrowings |  |  |  |  |  | 1,011
Other current liabilities |  |  |  |  |  | 2,331
Long-term debt |  |  |  |  |  | 4,623
Long-term deferred tax liabilities |  |  |  |  |  | 4,736
Other long-term liabilities |  |  |  |  |  | 2,783
Total liabilities assumed |  |  |  |  |  | 15,484
Net assets acquired |  |  |  |  |  | $ 49,988
Acquisitions 2016 [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets | 147 |  |  |  |  |
Property, plant, and equipment | 7 |  |  |  |  |
IPR&D | 422 |  |  |  |  |
Other intangible assets | 235 |  |  |  |  |
Goodwill | 729 |  |  |  |  |
Other assets | 8 |  |  |  |  |
Total assets acquired | 1,548 |  |  |  |  |
Current liabilities | 88 |  |  |  |  |
Long-term deferred tax liabilities | 134 |  |  |  |  |
Other long-term liabilities | 2 |  |  |  |  |
Total liabilities assumed | 224 |  |  |  |  |
Net assets acquired | 1,324 |  |  |  |  |
Twelve, Inc. [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  | $ 60 |  |  |  |
Property, plant, and equipment |  | 0 |  |  |  |
IPR&D |  | 192 |  |  |  |
Other intangible assets |  | 0 |  |  |  |
Goodwill |  | 301 |  |  |  |
Other assets |  | 0 |  |  |  |
Total assets acquired |  | 553 |  |  |  |
Current liabilities |  | 37 |  |  |  |
Long-term deferred tax liabilities |  | 44 |  |  |  |
Other long-term liabilities |  | 0 |  |  |  |
Total liabilities assumed |  | 81 |  |  |  |
Net assets acquired |  | $ 472 |  |  |  |
RF Surgical Systems, Inc. [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  |  | $ 43 |  |
Property, plant, and equipment |  |  |  | 3 |  |
IPR&D |  |  |  | 0 |  |
Other intangible assets |  |  |  | 115 |  |
Goodwill |  |  |  | 132 |  |
Other assets |  |  |  | 2 |  |
Total assets acquired |  |  |  | 295 |  |
Current liabilities |  |  |  | 28 |  |
Long-term deferred tax liabilities |  |  |  | 27 |  |
Other long-term liabilities |  |  |  | 0 |  |
Total liabilities assumed |  |  |  | 55 |  |
Net assets acquired |  |  |  | $ 240 |  |
Medina Medical [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  | $ 11 |  |  |
Property, plant, and equipment |  |  | 0 |  |  |
IPR&D |  |  | 122 |  |  |
Other intangible assets |  |  | 0 |  |  |
Goodwill |  |  | 126 |  |  |
Other assets |  |  | 0 |  |  |
Total assets acquired |  |  | 259 |  |  |
Current liabilities |  |  | 6 |  |  |
Long-term deferred tax liabilities |  |  | 34 |  |  |
Other long-term liabilities |  |  | 0 |  |  |
Total liabilities assumed |  |  | 40 |  |  |
Net assets acquired |  |  | $ 219 |  |  |
All Other 2016 [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets | 33 |  |  |  |  |
Property, plant, and equipment | 4 |  |  |  |  |
IPR&D | 108 |  |  |  |  |
Other intangible assets | 120 |  |  |  |  |
Goodwill | 170 |  |  |  |  |
Other assets | 6 |  |  |  |  |
Total assets acquired | 441 |  |  |  |  |
Current liabilities | 17 |  |  |  |  |
Long-term deferred tax liabilities | 29 |  |  |  |  |
Other long-term liabilities | 2 |  |  |  |  |
Total liabilities assumed | 48 |  |  |  |  |
Net assets acquired | $ 393 |  |  |  |  |
Acquisitions 2015 [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  |  |  | 70 |
Property, plant, and equipment |  |  |  |  | 18 |
IPR&D |  |  |  |  | 71 |
Other intangible assets |  |  |  |  | 316 |
Goodwill |  |  |  |  | 473 |
Other assets |  |  |  |  | 55 |
Total assets acquired |  |  |  |  | 1,003 |
Current liabilities |  |  |  |  | 44 |
Long-term deferred tax liabilities |  |  |  |  | 117 |
Other long-term liabilities |  |  |  |  | 4 |
Total liabilities assumed |  |  |  |  | 165 |
Net assets acquired |  |  |  |  | 838 |
NGC Medical S.p.A. [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  |  |  | 55 |
Property, plant, and equipment |  |  |  |  | 15 |
IPR&D |  |  |  |  | 0 |
Other intangible assets |  |  |  |  | 159 |
Goodwill |  |  |  |  | 197 |
Other assets |  |  |  |  | 3 |
Total assets acquired |  |  |  |  | 429 |
Current liabilities |  |  |  |  | 34 |
Long-term deferred tax liabilities |  |  |  |  | 51 |
Other long-term liabilities |  |  |  |  | 4 |
Total liabilities assumed |  |  |  |  | 89 |
Net assets acquired |  |  |  |  | 340 |
Sapiens Steering Brain Stimulation [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  |  |  | 3 |
Property, plant, and equipment |  |  |  |  | 1 |
IPR&D |  |  |  |  | 30 |
Other intangible assets |  |  |  |  | 0 |
Goodwill |  |  |  |  | 170 |
Other assets |  |  |  |  | 3 |
Total assets acquired |  |  |  |  | 207 |
Current liabilities |  |  |  |  | 4 |
Long-term deferred tax liabilities |  |  |  |  | 0 |
Other long-term liabilities |  |  |  |  | 0 |
Total liabilities assumed |  |  |  |  | 4 |
Net assets acquired |  |  |  |  | 203 |
All Other 2015 [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] |  |  |  |  |  |
Other current assets |  |  |  |  | 12 |
Property, plant, and equipment |  |  |  |  | 2 |
IPR&D |  |  |  |  | 41 |
Other intangible assets |  |  |  |  | 157 |
Goodwill |  |  |  |  | 106 |
Other assets |  |  |  |  | 49 |
Total assets acquired |  |  |  |  | 367 |
Current liabilities |  |  |  |  | 6 |
Long-term deferred tax liabilities |  |  |  |  | 66 |
Other long-term liabilities |  |  |  |  | 0 |
Total liabilities assumed |  |  |  |  | 72 |
Net assets acquired |  |  |  |  | $ 295 |

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