| **Fair Value Measurements And Financial Instruments Fair Value Measurements and Financial Instruments, (Fair Value, Liabilities Measured on a Recurring Basis, Unobservable Input Reconciliation) (Details) (USD $)In Millions, unless otherwise specified** | 12 Months Ended |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Contingent Consideration Liability [Roll Forward]**                                                                                                                                                                                                        |            |   |   |
| Balance as of December 29, 2012                                                                                                                                                                                                                              | $ 0             | $ 0 |   |
| Change in fair value of contingent consideration                                                                                                                                                                                                             | 1               | 0 | 0 |
| Balance as of December 28, 2013                                                                                                                                                                                                                              | 188             | 0 | 0 |
| Endosense S.A. [Member] | Fair Value, Inputs, Level 3 [Member]                                                                                                                                                                                               |            |   |   |
| Projected Year Of Payment                                                                                                                                                                                                                                    | 2014            |   |   |
| Contingent Consideration Liability [Member]                                                                                                                                                                                                                  |            |   |   |
| **Contingent Consideration Liability [Roll Forward]**                                                                                                                                                                                                        |            |   |   |
| Balance as of December 28, 2013                                                                                                                                                                                                                              | 195             |   |   |
| Contingent Consideration Liability [Member] | Fair Value, Inputs, Level 3 [Member]                                                                                                                                                                           |            |   |   |
| **Contingent Consideration Liability [Roll Forward]**                                                                                                                                                                                                        |            |   |   |
| Balance as of December 29, 2012                                                                                                                                                                                                                              | 0               |   |   |
| Purchase price contingent consideration                                                                                                                                                                                                                      | 188             |   |   |
| Change in fair value of contingent consideration                                                                                                                                                                                                             | 1               |   |   |
| Foreign currency translation                                                                                                                                                                                                                                 | 6               |   |   |
| Balance as of December 28, 2013                                                                                                                                                                                                                              | 195             |   |   |
| Contingent Consideration Liability [Member] | Endosense S.A. [Member] | Fair Value, Inputs, Level 3 [Member]                                                                                                                                                 |            |   |   |
| **Contingent Consideration Liability [Roll Forward]**                                                                                                                                                                                                        |            |   |   |
| Balance as of December 29, 2012                                                                                                                                                                                                                              | 0               |   |   |
| Purchase price contingent consideration                                                                                                                                                                                                                      | 132             |   |   |
| Change in fair value of contingent consideration                                                                                                                                                                                                             | 1               |   |   |
| Foreign currency translation                                                                                                                                                                                                                                 | 6               |   |   |
| Balance as of December 28, 2013                                                                                                                                                                                                                              | 139             |   |   |
| Contingent Consideration Liability [Member] | Nanostim [Member] | Fair Value, Inputs, Level 3 [Member]                                                                                                                                                       |            |   |   |
| **Contingent Consideration Liability [Roll Forward]**                                                                                                                                                                                                        |            |   |   |
| Balance as of December 29, 2012                                                                                                                                                                                                                              | 0               |   |   |
| Purchase price contingent consideration                                                                                                                                                                                                                      | 56              |   |   |
| Change in fair value of contingent consideration                                                                                                                                                                                                             | 0               |   |   |
| Foreign currency translation                                                                                                                                                                                                                                 | 0               |   |   |
| Balance as of December 28, 2013                                                                                                                                                                                                                              | $ 56            |   |   |

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| X                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Purchase Price Contingent Consideration
+ References
No definition available.
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| X                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Projected Year Of Payment
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258
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