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Restructuring (Details) $ in Millions | 3 Months Ended
--- | ---
Apr. 02, 2017 USD ($) Employee | Apr. 03, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 85 | $ 120
Medical Devices [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 161 |
Restructuring charges recorded to date | $ 1,400 |
Period of workforce reduction | 18 months |
Number of positions eliminated | Employee | 1,600 |
Medical Devices [Member] | Cost of Sales [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 4 |
Medical Devices [Member] | Other Income Expense Net [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 72 |
Medical Devices [Member] | Asset Write-off [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 37 |
Medical Devices [Member] | Other Restructuring [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 124 |
Medical Devices [Member] | Employee Severance [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring estimated cost | 500 |
Restructuring charges | 0 |
Medical Devices [Member] | Minimum [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring estimated cost | $ 2,000 |
Positions eliminated (as a percent) | 4.00% |
Medical Devices [Member] | Maximum [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring estimated cost | $ 2,400 |
Positions eliminated (as a percent) | 6.00% |

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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