| **Fair Value Measurements And Financial Instruments** | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 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| **Fair Value Disclosures [Abstract]**                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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| Fair Value Measurements And Financial Instruments     | FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTSThe fair value measurement accounting standard, codified in ASC Topic 820, Fair Value Measurement (ASC Topic 820), provides a framework for measuring fair value and defines fair value as the price that would be received to sell an asset or paid to transfer a liability. Fair value is a market-based measurement that should be determined using assumptions that market participants would use in pricing an asset or liability. The standard establishes a valuation hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability developed based on independent market data sources. Unobservable inputs are inputs that reflect the Company’s assumptions about the factors market participants would use in valuing the asset or liability developed based upon the best information available. The valuation hierarchy is composed of three categories. The categorization within the valuation hierarchy is based on the lowest level of input that is significant to the fair value measurement.The categories within the valuation hierarchy are described as follows:•Level 1 – Inputs to the fair value measurement are quoted prices in active markets for identical assets or liabilities.•Level 2 – Inputs to the fair value measurement include quoted prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly.•Level 3 – Inputs to the fair value measurement are unobservable inputs or valuation techniques.Assets and Liabilities that are Measured at Fair Value on a Recurring BasisThe fair value measurement standard applies to certain financial assets and liabilities that are measured at fair value on a recurring basis (each reporting period). These financial assets and liabilities include money-market securities, trading marketable securities, available-for-sale marketable securities, derivative instruments and contingent consideration liabilities. The Company continues to record these items at fair value on a recurring basis and the fair value measurements are applied using ASC Topic 820. The Company does not have any material nonfinancial assets or liabilities that are measured at fair value on a recurring basis. A summary of the valuation methodologies used for the respective financial assets and liabilities measured at fair value on a recurring basis is as follows:Money-Market Securities: The Company’s money-market securities include funds that are traded in active markets and are recorded at fair value based upon the quoted market prices. The Company classifies these securities as level 1.Trading Securities: The Company’s trading securities include publicly-traded mutual funds that are traded in active markets and are recorded at fair value based upon quoted market prices of the net asset values of the funds. The Company classifies these securities as level 1.Available-For-Sale Securities: The Company’s available-for-sale securities include publicly-traded equity securities that are traded in active markets and are recorded at fair value based upon the closing stock prices. The Company classifies these securities as level 1. The following table summarizes the components of the balance of the Company’s available-for-sale securities at June 28, 2014 and December 28, 2013 (in millions): June 28, 2014 December 28, 2013Adjusted cost$7 $7Gross unrealized gains29 28Fair value$36 $35Derivative Instruments: The Company’s derivative instruments consist of foreign currency exchange contracts. The Company classifies these instruments as level 2 as the fair value is determined using inputs other than observable quoted market prices. These inputs include spot and forward foreign currency exchange rates that the Company obtains from standard market data providers. The fair value of the Company’s outstanding foreign currency exchange contracts was not material at June 28, 2014 or December 28, 2013.Contingent Consideration Liabilities: In connection with certain business combinations the Company has agreed to provide future contingent consideration payments. Payment of the additional consideration is generally contingent on the acquired company reaching certain performance milestones, including attaining specified revenue levels, achieving product development targets or receiving regulatory approvals to market products. Contingent consideration is recognized on the acquisition date at the estimated fair value of the contingent milestone payment(s). The acquisition date fair value is measured based on the consideration expected to be transferred (probability-weighted), discounted back to present value. The discount rate used is determined at the time of measurement in accordance with accepted valuation methods. The fair value of the contingent consideration is remeasured to its estimated fair value at each reporting period with the change in fair value recognized in selling, general and administrative expense in the Company's Condensed Consolidated Statements of Earnings. The Company measures the liability on a recurring basis using Level 3 inputs including projected revenues or cash flows, growth rates, discount rates, probabilities of payment and projected payment dates. Projected revenues are based on the Company's most recent internal operating budgets and long-term strategic plans. Increases or decreases to any of the inputs may result in significantly higher or lower fair value measurements. A summary of financial assets measured at fair value on a recurring basis at June 28, 2014 and December 28, 2013 is as follows (in millions): Balance SheetClassificationJune 28, 2014 Quoted PricesIn ActiveMarkets(Level 1) SignificantOtherObservableInputs(Level 2) SignificantUnobservableInputs(Level 3)Assets        Money-market securitiesCash and cash equivalents$1,142 $1,142 $— $—Available-for-sale securitiesOther current assets36 36 — —Trading securitiesOther assets289 289 — —Total assets 1,467 1,467 — —         Liabilities        Contingent considerationOther current liabilities148 — — 148Contingent considerationOther liabilities58 — — 58Total liabilities $206 $— $— $206 Balance SheetClassificationDecember 28, 2013 Quoted PricesIn ActiveMarkets(Level 1) SignificantOtherObservableInputs(Level 2) SignificantUnobservableInputs(Level 3)Assets        Money-market securitiesCash and cash equivalents$875 $875 $— $—Available-for-sale securitiesOther current assets35 35 — —Trading securitiesOther assets279 279 — —Total assets 1,189 1,189 — —         Liabilities        Contingent considerationOther liabilities195 — — 195Total liabilities $195 $— $— $195The recurring Level 3 fair value measurements of the Company's contingent consideration liability include the following significant unobservable inputs (in millions):Contingent Consideration LiabilityFair Value as of June 28, 2014Valuation Technique Unobservable Input Range         Endosense regulatory-based milestone$148Probability Weighted Discounted Cash Flow Discount Rate 1.08%-1.46%    Probability of Payment   95%    Projected Year of Payment   2014         Nanostim revenue-based milestone58Probability Weighted Discounted Cash Flow Discount Rate   5.00%    Probability of Payment   100%    Projected Years of Three Annual Payments 2016, 2017, 2018Total contingent consideration liability$206       The following table provides a reconciliation of the beginning and ending balances of the Company' contingent consideration liability associated with its Endosense and Nanostim acquisitions since December 28, 2013 for the three and six months ended June 28, 2014 (in millions):  EndosenseNanostimTotalBalance as of December 28, 2013$139$56$195Change in fair value of contingent consideration—11Foreign currency translation2—2Balance as of March 29, 201414157198Change in fair value of contingent consideration718Foreign currency translation———Balance as of June 28, 2014$148$58$206Assets and Liabilities that are Measured at Fair Value on a Nonrecurring BasisThe fair value measurement standard also applies to certain nonfinancial assets and liabilities that are measured at fair value on a nonrecurring basis. A summary of the valuation methodologies used for the respective nonfinancial assets and liabilities measured at fair value on a nonrecurring basis is as follows:Long-lived assets: The Company reviews the carrying amount of its long-lived assets other than goodwill and indefinite-lived intangible assets for potential impairment whenever events or changes in circumstance include a significant decrease in market price, a significant adverse change in the extent or manner in which an asset is being used or a significant adverse change in the legal or business climate. The Company measures the fair value of its long-lived assets, such as its definite-lived intangible assets and property, plant and equipment using independent appraisals, market models and discounted cash flow models. A discounted cash flow model requires inputs to a present value cash flow calculation including a risk-adjusted discount rate, operating budgets, long-term strategic plans and remaining useful lives of the asset or asset group. If the carrying value of the Company’s long-lived assets (excluding goodwill and indefinite-lived intangible assets) exceeds the related undiscounted future cash flows, the carrying value is written down to the fair value in the period identified.The Company also reviews the carrying value of its goodwill and indefinite-lived intangible assets at least annually to determine if any adverse conditions exist that would indicate a potential impairment by considering qualitative factors such as macroeconomic conditions, industry and market considerations, cost factors, financial performance, entity specific events, changes in net assets and project-based performance toward regulatory approvals. During the second quarter of 2014, the Company recognized $14 million of fixed asset write-offs primarily associated with the discontinuation of a clinical trial. As the fixed assets had no alternative future use and therefore no discrete future cash flows, the assets were fully impaired. Refer to Note 7 for further details.During the second quarter of 2013, the Company recognized $13 million of impairments associated with customer relationship intangible assets, as it determined that these intangible assets had no discrete future cash flows and were fully impaired. Refer to Note 7 for further details.Cost Method Investments: The Company also holds investments in equity securities that are accounted for as cost method investments, which are classified as other assets and measured at fair value on a nonrecurring basis. The carrying value of these investments approximated $70 million and $69 million at June 28, 2014 and December 28, 2013, respectively. The fair value of the Company’s cost method investments is not estimated if there are no identified events or changes in circumstances that may have a significant adverse effect on the fair value of these investments. When measured on a nonrecurring basis, the Company’s cost method investments are considered Level 3 in the fair value hierarchy due to the use of unobservable inputs to measure fair value. Fair Value Measurements of Other Financial InstrumentsThe aggregate fair value of the Company’s fixed-rate senior notes at June 28, 2014 (measured using quoted prices in active markets) was $2,352 million compared to the aggregate carrying value of $2,307 million (inclusive of the terminated interest rate swaps). The fair value of the Company’s variable-rate debt obligations at June 28, 2014 approximated its aggregate $1,899 million carrying value due to the variable interest rate and short-term nature of these instruments. The Company also had $438 million and $498 million of cash equivalents invested in short-term deposits and interest and non-interest bearing bank accounts at June 28, 2014 and December 28, 2013, respectively. |

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| - Definition
The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.
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