| **Debt (Schedule Of Long-Term Debt) (Details) (USD $)In Millions, unless otherwise specified** | Jun. 28, 2014 | Dec. 28, 2013 |
|------------------------------------------------------------------------------------------------|---------------|---------------|
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | $ 4,206       | $ 3,580       |
| Less: current debt obligations                                                                 | 564           | 62            |
| Long-term debt                                                                                 | 3,642         | 3,518         |
| Term loan due 2015                                                                             |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 500           | 500           |
| 2.50% senior notes due 2016                                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 509           | 512           |
| 3.25% senior notes due 2023                                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 896           | 896           |
| 4.75% senior notes due 2043                                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 696           | 696           |
| 1.58% Yen-denominated senior notes due 2017                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 80            | 78            |
| 2.04% Yen-denominated senior notes due 2020                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 125           | 122           |
| Yen-denominated credit facilities                                                              |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | 64            | 62            |
| Commercial paper borrowings                                                                    |          |          |
| **Debt Instrument [Line Items]**                                                               |          |          |
| Total debt                                                                                     | $ 1,336       | $ 714         |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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