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. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Jul. 31, 2014
Common Stock Repurchase Program [Member]
          
Common Stock Repurchases (Textuals) [Abstract]          
Stock Repurchase Program, Authorized Amount $ 65,000,000,000   $ 65,000,000,000    
Stock Repurchase Authorization Increase, Value         20,000,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount 16,400,000,000   16,400,000,000    
Stock Repurchased During Period, Shares 119,500,000   217,400,000    
Stock Repurchased During Period, Value 4,100,000,000   6,800,000,000    
Stock Repurchased and Retired During Period, Shares   23,600,000   72,100,000  
Stock Repurchased and Retired During Period, Value   536,000,000   1,600,000,000  
Accumulated Stock Repurchased During Program, Total Shares 4,600,000,000   4,600,000,000    
Accumulated Stock Repurchased During Program, Total Value 98,000,000,000   98,000,000,000    
Restricted Stock Unit Withholdings [Member]
          
Common Stock Repurchases (Textuals) [Abstract]          
Stock Repurchased and Retired During Period, Shares     11,700,000 12,600,000  
Stock Repurchased and Retired During Period, Value     $ 314,000,000 $ 280,000,000