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