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Intangible Assets and Goodwill (Details Textuals) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jul. 03, 2011
Jul. 01, 2012
Jul. 03, 2011
Intangible Assets and Goodwill (Textuals)        
Amortization expense of amortizable intangible assets     $ 488  
Estimated amortization expense per year     1,340  
Intangible asset write downs     939  
Research and Development in process impairment charge 429 0 429 0
Patents And Trademarks [Member]
       
Intangible Assets and Goodwill (Textuals)        
Finite-Lived Intangible Assets, Weighted-Average Useful Life     17  
Customer relationships and other intangible assets [Member]
       
Intangible Assets and Goodwill (Textuals)        
Finite-Lived Intangible Assets, Weighted-Average Useful Life     23  
Synthes, Inc [Member]
       
Intangible Assets and Goodwill (Textuals)        
Business Acquisition, Purchase Price Allocation, Intangible Assets 12,929   12,929  
Business Acquisition, Purchase Price Allocation, Goodwill Amount $ 5,371   $ 5,371