Earnings Per Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Earnings Per Share [Abstract]
Weighted average shares excluded from calculation of diluted EPS	2,800	800	2,100	82,000
Basic EPS, Shares	220,065,000	227,305,000	220,585,000	228,417,000
Basic EPS, Amount	$ 0.83	$ 0.65	$ 1.77	$ 1.41
Effect of dilutive common stock equivalents, Shares	3,540,000	3,871,000	3,704,000	3,990,000
Effect of dilutive common stock equivalents, Amount	$ (0.02)	$ (0.01)	$ (0.03)	$ (0.03)
Diluted EPS, Shares	223,605,000	231,176,000	224,289,000	232,407,000
Diluted EPS, Amount	$ 0.81	$ 0.64	$ 1.74	$ 1.38