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 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 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     4,200,000,000  
Stock Repurchased and Retired During Period, Shares 23,300,000 40,600,000 48,500,000 97,500,000
Stock Repurchased and Retired During Period, Value 550,000,000 1,100,000,000 1,100,000,000 2,600,000,000
Accumulated Stock Repurchased During Program, Total Shares 4,300,000,000   4,300,000,000  
Accumulated Stock Repurchased During Program, Total Value 90,000,000,000   90,000,000,000  
Restricted Stock Unit Withholdings [Member]
        
Common Stock Repurchases (Textuals) [Abstract]        
Stock Repurchased and Retired During Period, Shares     12,300,000 11,300,000
Stock Repurchased and Retired During Period, Value     $ 272,000,000 $ 315,000,000