Common Stock Repurchases (Detail) (Common Stock Repurchase Program [Member], USD $)	3 Months Ended
	Mar. 30, 2013	Mar. 31, 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	4,800,000,000
Stock Repurchased and Retired During Period, Shares	25,200,000	56,900,000
Stock Repurchased and Retired During Period, Value	533,000,000	1,500,000,000
Accumulated Stock Repurchased During Program, Total Shares	4,300,000,000
Accumulated Stock Repurchased During Program, Total Value	$ 89,000,000,000