Business and Summary of Accounting Policies (Net Income Per Share) (Details) (USD $) In Millions, except Per Share data	3 Months Ended								12 Months Ended
	Jan. 29, 2011	Oct. 30, 2010	Jul. 31, 2010	May 01, 2010	Jan. 30, 2010	Oct. 31, 2009	Aug. 01, 2009	May 02, 2009	Jan. 29, 2011		Jan. 30, 2010		Jan. 31, 2009
Business and Summary of Accounting Policies
Numerator - net income	$ 494	$ 176	$ 255	$ 195	$ 426	$ 188	$ 226	$ 133	$ 1,120		$ 973		$ 857
Weighted average shares, Basic	295	307	307	307	306	305	305	305	304		305		306
Impact of dilutive employee stock options									2	[1]	1	[1]	1	[1]
Weighted average shares, Diluted	297	308	308	309	308	308	306	306	306		306		307
Net income per share, Basic	$ 1.68	$ 0.57	$ 0.83	$ 0.63	$ 1.39	$ 0.62	$ 0.74	$ 0.43	$ 3.69		$ 3.19		$ 2.80
Net income per share, Diluted	$ 1.66	$ 0.57	$ 0.83	$ 0.63	$ 1.38	$ 0.61	$ 0.74	$ 0.43	$ 3.66		$ 3.17		$ 2.80
Excluded options as the impact of such options was antidilutive									8		17		18

[1] Excludes 8 million options for 2010, 17 million options for 2009 and 18 million options for 2008 as the impact of such options was antidilutive.