Stock Repurchase Program (Details) (USD $)	1 Months Ended		3 Months Ended	167 Months Ended
	Dec. 15, 2011	Sep. 28, 2011	Nov. 19, 2011	Nov. 19, 2011
Stock Repurchase Program (Textuals) [Abstract]
Stock Repurchased Authorized Value		$ 10,400,000,000
Stock Repurchased During Period, Shares	0		954,389	128,300,000
Purchase of treasury stock	0		309,800,000	10,500,000,000
Remaining Value Authorized For Share Repurchases			658,900,000	658,900,000
Stock repurchase authorized during the period, value		750,000,000
Stock repurchase authorized amended value		$ 11,150,000,000	$ 11,150,000,000
Treasury stock acquired repurchase authorization			From January 1, 1998 to November 19, 2011, the Company has repurchased a total of 128.3 million shares at an aggregate cost of $10.5 billion, including 954,389 shares of its common stock at an aggregate cost of $309.8 million during the twelve week period ended November 19, 2011. On September 28, 2011, the Board voted to increase the authorization by $750 million to raise the cumulative share repurchase authorization from $10.4 billion to $11.15 billion. Considering cumulative repurchases as of November 19, 2011, the Company had $658.9 million remaining under the Board’s authorization to repurchase its common stock. The Company had no share repurchases of its common stock subsequent to November 19, 2011.