Quarterly report pursuant to Section 13 or 15(d)

Common Stock Repurchases (Detail)

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Common Stock Repurchases (Detail) (Common Stock Repurchase Program [Member], USD $)
In Billions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Common Stock Repurchase Program [Member]
   
Common Stock Repurchases (Textuals) [Abstract]    
Total Stock Repurchase Authorization End of Current Period, Value $ 45  
Remaining Stock Repurchase Authorization End of Current Period, Value 8.6  
Accumulated Stock Repurchased During Program, Total Shares 4,100,000,000  
Accumulated Stock Repurchased During Program, Total Value 86  
Stock Repurchased and Retired During Period, Shares 56,900,000 189,100,000
Stock Repurchased and Retired During Period, Value $ 1.5 $ 4.0