Commitments and Contingencies (Details) $ in Millions				1 Months Ended	12 Months Ended
	Jun. 01, 2017 claim	Dec. 14, 2011 patent	Jun. 29, 2007	May 31, 2017 claim	Apr. 28, 2017 USD ($) claim landfill	Apr. 29, 2016 USD ($) claim	Apr. 25, 2014 USD ($)
Loss Contingencies [Line Items]
Accrued certain litigations charges | $					$ 1,100	$ 1,000
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]
Tax indemnification (exceed) | $							$ 200
INFUSE Product Liability Litigation | Damages from product defects
Loss Contingencies [Line Items]
Number of claimants | claim					6,000
Pelvic Mesh Litigation | Damages from product defects
Loss Contingencies [Line Items]
Number of claims settled | claim						11,000
Settlement consideration received | $						$ 121
Number of lawsuits filed | claim					15,800
Pelvic Mesh Litigation | Damages from product defects | Subsequent event
Loss Contingencies [Line Items]
Number of claims settled | claim	12,300			5,000
Ethicon Patent Infringement Litigation
Loss Contingencies [Line Items]
Number of patents allegedly infringed upon | patent		1
Number of claims dismissed | claim					6
Minimum | Penobscot River and Bay Remediation
Loss Contingencies [Line Items]
Cost estimate | $					$ 25
Maximum | Penobscot River and Bay Remediation
Loss Contingencies [Line Items]
Cost estimate | $					$ 235