|**Goodwill and Other Intangible Assets - Finite-lived and Indefinite-lived Intangible Assets (Detail) (USD $)In Millions, unless otherwise specified**                                                                                                                                                                                                                                                                                                                                             | Sep. 29, 2013                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Dec. 31, 2012                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Gross Carrying Amount                                                                                                                                                                                                                                                                                                                                                                                                                                              | $ 74,579                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                           | (41,906)                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | [1]                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Finite-lived Intangible Assets, less Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                      | 32,673                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Total indefinite-lived intangible assets                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 7,876                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Intangible assets, gross carrying amount                                                                                                                                                                                                                                                                                                                                                                                                                                                           | 82,455                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | [1]                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Identifiable Intangible Assets, less Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                      | 40,549                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | [1]                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Indefinite Lived Brands [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Brands                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 7,373                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|In-Process Research And Development [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|In-process research and development                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 500                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Trademarks / Tradenames [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Trademarks/tradenames                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Developed Technology Rights [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Gross Carrying Amount                                                                                                                                                                                                                                                                                                                                                                                                                                              | 72,025                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                           | (40,432)                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, less Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                      | 31,593                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Brands [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Gross Carrying Amount                                                                                                                                                                                                                                                                                                                                                                                                                                              | 1,657                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                           | (752)                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, less Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                      | 905                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|License Agreements and Other [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|**Finite Lived and Indefinite Lived Intangible Assets [Line Items]**                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Gross Carrying Amount                                                                                                                                                                                                                                                                                                                                                                                                                                              | 897                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                           | (722)                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Finite-lived Intangible Assets, less Accumulated Amortization                                                                                                                                                                                                                                                                                                                                                                                                                                      | $ 175                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|[1]
              The decrease is primarily related to amortization, asset impairment charges and the transfer of certain product rights to our equity-method investment in China. For additional information about the asset impairment charges, see Note 4. Other (Income)/Deductions—Net. For additional information about the transfer of certain product rights, see Note 2D. Acquisitions, Divestitures, Collaborative Arrangement and Equity-Method Investments: Equity-Method Investments. | [1]                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | The decrease is primarily related to amortization, asset impairment charges and the transfer of certain product rights to our equity-method investment in China. For additional information about the asset impairment charges, see Note 4. Other (Income)/Deductions—Net. For additional information about the transfer of certain product rights, see Note 2D. Acquisitions, Divestitures, Collaborative Arrangement and Equity-Method Investments: Equity-Method Investments.
|[1]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | The decrease is primarily related to amortization, asset impairment charges and the transfer of certain product rights to our equity-method investment in China. For additional information about the asset impairment charges, see Note 4. Other (Income)/Deductions—Net. For additional information about the transfer of certain product rights, see Note 2D. Acquisitions, Divestitures, Collaborative Arrangement and Equity-Method Investments: Equity-Method Investments.

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