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Financial Instruments - Investments in Debt Securities (Detail) (USD $)
In Millions
Jul. 03, 2011
Dec. 31, 2010
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Held - to - maturity debt securities maturities total $ 781 [1] $ 1,178 [1]
Debt securities maturities within 1 year 22,477  
Debt securities maturities over 1 to 5 years 7,815  
Debt securities maturities over 10 years 47  
Total debt securities 30,339  
Certificates of deposit and other [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Held - to - maturity debt securities maturities within 1 year 775  
Held - to - maturity debt securities with maturities over 1 to 5 years 6  
Held - to - maturity debt securities maturities total 781  
Western European and other government debt [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 14,758  
Available - for - sale debt securities maturities over 1 to 5 years 1,343  
Available - for - sale debt securities maturities over 10 years 17  
Available - for - sale debt securities maturities total 16,118  
Corporate debt securities [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 1,251  
Available - for - sale debt securities maturities over 1 to 5 years 2,745  
Available - for - sale debt securities maturities total 3,996  
Federal Home Loan Mortgage Corporation and Federal National Mortgage Association asset-backed securities [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities over 1 to 5 years 2,310  
Available - for - sale debt securities maturities total 2,310  
Western European and other government agency debt [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 2,704  
Available - for - sale debt securities maturities over 1 to 5 years 397  
Available - for - sale debt securities maturities total 3,101  
Supranational debt [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 1,401  
Available - for - sale debt securities maturities over 1 to 5 years 708  
Available - for - sale debt securities maturities total 2,109  
Reverse repurchase agreements [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 1,154  
Available - for - sale debt securities maturities total 1,154  
US government Federal Deposit Insurance Corporation guaranteed debt [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 373  
Available - for - sale debt securities maturities over 1 to 5 years 278  
Available - for - sale debt securities maturities total 651  
Other asset-backed securities [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 5  
Available - for - sale debt securities maturities over 1 to 5 years 28  
Available - for - sale debt securities maturities over 10 years 30  
Available - for - sale debt securities maturities total 63  
Certificates of deposit [Member]
   
Schedule of Available for sale Securities and Held to maturity Securities [Line Items]    
Available - for - sale debt securities maturities within 1 year 56  
Available - for - sale debt securities maturities total $ 56  
[1] Gross unrealized gains and losses are not significant.