Quarterly Results (unaudited) (Unaudited Quarterly Results) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 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	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Quarterly Financial Data [Abstract]
Net sales	$ 9,202	$ 6,276	$ 6,066	$ 6,387	$ 9,350	$ 6,075	$ 6,118	$ 6,143	$ 27,931	$ 27,686	$ 26,405
Cost of sales	(5,464)	(3,817)	(3,533)	(3,911)	(5,554)	(3,672)	(3,555)	(3,757)	(16,725)	(16,538)	(15,738)
Gross margin	3,738	2,459	2,533	2,476	3,796	2,403	2,563	2,386	11,206	11,148	10,667
Selling, general and administrative expenses	(2,301)	(2,099)	(1,999)	(2,041)	(2,400)	(2,078)	(2,009)	(1,995)	(8,440)	(8,482)	(8,281)
Impairments, store closing and other costs and gain on sale of leases	(88)	0	0	0	(5)	0	0	0	(88)	(5)	25
Net income	$ 811	$ 177	$ 281	$ 217	$ 730	$ 145	$ 279	$ 181	$ 1,486	$ 1,335	$ 1,256
Basic earnings per share	$ 2.21	$ 0.47	$ 0.73	$ 0.56	$ 1.86	$ 0.36	$ 0.68	$ 0.43	$ 3.93	$ 3.29	$ 2.96
Diluted earnings per share	$ 2.16	$ 0.47	$ 0.72	$ 0.55	$ 1.83	$ 0.36	$ 0.67	$ 0.43	$ 3.86	$ 3.24	$ 2.92