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Financial Assets and Nonrecourse Financial Liabilities of Special Purpose Entities (Details) (USD $)
In Billions, unless otherwise specified
6 Months Ended
Jul. 02, 2011
Line of Credit Facility [Line Items]  
Number of banks issuing letters of credit that were substituted 2
Number of new irrevocable letters of credit entered into 2
Letter of credit agreements [Abstract]  
Term of agreements for irrevocable letters of credit (in years) three
JP Morgan Chase Bank [Member]
 
Letter of credit agreements [Abstract]  
Maximum amount of issued letter of credit as per agreement $ 1.4
Amortization period of upfront commitment fee (in years) 3
Credit Agricole Corporate and Investment Bank [Member]
 
Letter of credit agreements [Abstract]  
Maximum amount of issued letter of credit as per agreement $ 1.4
Amortization period of upfront commitment fee (in years) 3