Quarterly report pursuant to Section 13 or 15(d)

Common Stock Repurchases (Detail)

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Common Stock Repurchases (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Common Stock Repurchase Program [Member]
       
Common Stock Repurchases (Textuals) [Abstract]        
Total Stock Repurchase Authorization End of Current Period, Value     $ 45,000,000,000  
Remaining Stock Repurchase Authorization End of Current Period, Value     3,700,000,000  
Stock Repurchased and Retired During Period, Shares 23,600,000 46,400,000 72,100,000 143,900,000
Stock Repurchased and Retired During Period, Value 536,000,000 1,200,000,000 1,600,000,000 3,800,000,000
Accumulated Stock Repurchased During Program, Total Shares 4,300,000,000   4,300,000,000  
Accumulated Stock Repurchased During Program, Total Value 91,000,000,000   91,000,000,000  
Restricted Stock Unit Withholdings [Member]
       
Common Stock Repurchases (Textuals) [Abstract]        
Stock Repurchased and Retired During Period, Shares     12,600,000 11,700,000
Stock Repurchased and Retired During Period, Value     $ 280,000,000 $ 325,000,000