v2.4.0.6
Financial Instruments (Narrative) (Details) (USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Derivatives, Fair Value [Line Items]    
Percentage of revenue from outside operations, net 49.00%  
Specified percentage of revenue from total outside operations, net 25.00%  
Debt instrument, fair value $ 30,500,000,000 $ 29,800,000,000
Foreign Exchange Contract [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative maturity term, maximum 2 years  
Expected reclassification of net losses related to hedge from accumulated OCI into net income within the next 12 months 14,000,000  
Foreign currency derivatives at face value, net 2,800,000,000 2,300,000,000
Interest Rate Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Expected reclassification of net losses related to hedge from accumulated OCI into net income within the next 12 months 23,000,000  
Notional amount of interest rate derivatives 8,100,000,000 8,300,000,000
Percentage of total debt, net of related interest rate derivatives, exposed to variable interest rates 27.00% 38.00%
Commodity Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative maturity term, maximum 3 years  
Expected reclassification of net losses related to hedge from accumulated OCI into net income within the next 12 months 12,000,000  
Face value of open commodity derivative contracts qualifying for hedging 507,000,000 598,000,000
Derivative asset not designated as hedging instrument, face value $ 853,000,000 $ 630,000,000