Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 5)

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Investments (Details 5) (USD $)
In Millions
Jul. 01, 2011
Dec. 31, 2010
Investments    
Available-for-sale securities, after 1 years through 5 years, cost $ 2  
Available-for-sale securities, after 1 years through 5 years, fair value 2  
Available-for-sale securities, after 5 years through 10 years, cost 1  
Available-for-sale securities, after 5 years through 10 years, fair value 1  
Available-for-sale securities, after 10 years, cost 6  
Available-for-sale securities, after 10 years, fair value 6  
Held-to-maturity securities, within 1 year, amortized cost 248  
Held-to-maturity securities, within 1 year, fair value 248  
Cost Method Investments    
Cost method investments, carrying value $ 162 $ 160