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Commitments and Contingencies (Details) $ in Millions |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 01, 2017 claim | Dec. 14, 2011 patent | Jun. 29, 2007 | May 31, 2017 claim | Jul. 28, 2017 USD ($) landfill claim | Apr. 29, 2016 USD ($) claim | Apr. 28, 2017 USD ($) | Apr. 26, 2013 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Accrued certain litigation charges |  |  |  |  | $ 1,000 |  | $ 1,100 |
Covidien plc |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Tax sharing percentage, parent |  |  | 42.00% |  |  |  |  |
Tax sharing percentage, former parent |  |  | 27.00% |  |  |  |  |
Tax sharing percentage, former affiliate |  |  | 31.00% |  |  |  |  |
Orrington, Maine chemical manufacturing facility |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of landfills requiring removal | landfill |  |  |  |  | 2 |  |  |
Number of landfills requiring capping | landfill |  |  |  |  | 3 |  |  |
Indemnification agreement | Covidien plc | Tax Years Prior To 2013 |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Maximum potential loss for tax indemnification |  |  |  |  |  |  |  | $ 200
INFUSE | Product liability litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of pending claims | claim |  |  |  |  | 6,000 |  |  |
Pelvic mesh | Product liability litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of pending claims | claim |  |  |  |  | 15,800 |  |  |
Settlement receivable |  |  |  |  |  | $ 121 |  |
Number of claims settled | claim |  |  |  | 5,000 |  | 11,000 |  |
Pelvic mesh | Product liability litigation | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of claims settled | claim | 12,900 |  |  |  |  |  |  |
Ethicon |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Patents infringed | patent |  | 1 |  |  |  |  |  |
Minimum | Penobscot River and Bay remediation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Cost estimate for potential remediation |  |  |  |  | $ 25 |  |  |
Maximum | Penobscot River and Bay remediation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Cost estimate for potential remediation |  |  |  |  | $ 235 |  |  |

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