Quarterly Financial Information (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								9 Months Ended	12 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Oct. 27, 2012	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 6,099	$ 4,444	$ 4,289	$ 4,199	$ 6,342	$ 4,490	$ 4,205	$ 4,243		$ 19,031	$ 19,279	$ 18,804
Gross margin	2,075	1,666	1,676	1,528	2,112	1,712	1,642	1,524		6,944	6,990	7,179
Net income	$ 334	$ 177	$ 231	$ 147	$ 378	$ 215	$ 240	$ 154		$ 889	$ 986	$ 1,167
Basic shares	213	216	220	222	227	233	238	243		218	235	270
Basic net income per share	$ 1.57	$ 0.82	$ 1.05	$ 0.66	$ 1.66	$ 0.92	$ 1.01	$ 0.63		$ 4.08	$ 4.19	$ 4.33
Diluted shares	215	218	222	223	228	235	239	245		220	237	271
Diluted net income per share	$ 1.56	$ 0.81	$ 1.04	$ 0.66	$ 1.66	$ 0.91	$ 1.00	$ 0.63		$ 4.05	$ 4.17	$ 4.30
Weeks in reporting period	P14W								P13W	P52W	P53W		P52W