Stock-Based Compensation (Summary of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data	12 Months Ended
	Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Stock-Based Compensation
Balance at beginning of year, Shares	19,848	19,134	17,313
Granted, Shares	656	3,034	3,568
Exercised, Shares	(1,848)	(1,273)	(135)
Forfeited/expired, Shares	(787)	(1,047)	(1,612)
Balance at end of year, Shares	17,869	19,848	19,134
Balance at beginning of year, Weighted Average Exercise Price	$ 52.10	$ 53.01	$ 55.79
Granted, Weighted Average Exercise Price	$ 54.56	$ 42.88	$ 41.93
Exercised, Weighted Average Exercise Price	$ 40.46	$ 39.83	$ 40.87
Forfeited/expired, Weighted Average Exercise Price	$ 57.25	$ 56.79	$ 59.37
Balance at end of year, Weighted Average Exercise Price	$ 53.17	$ 52.10	$ 53.01