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Related Parties and Strategic Investments (Tables)
6 Months Ended
Jul. 03, 2011
Related Party Transactions [Abstract]  
Maximum reasonably estimable loss exposure (excluding lost profits), based upon the exchange rate
                 
    July 3,     January 2,  
    2011     2011  
    (In millions)  
Notes receivable
  $ 1,521     $ 1,232  
Equity investments
    541       501  
Operating lease guarantees
    738       879  
Prepayments
    117       48  
 
           
Maximum loss exposure
  $ 2,917     $ 2,660