Unaudited Quarterly Results (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 01, 2013	Nov. 02, 2012	Aug. 03, 2012	May 04, 2012	Feb. 03, 2012	Oct. 28, 2011	Jul. 29, 2011	Apr. 29, 2011	Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011
Net revenue	$ 14,314	$ 13,721	$ 14,483	$ 14,422	$ 16,031	$ 15,365	$ 15,658	$ 15,017	$ 56,940	$ 62,071	$ 61,494
Gross margin	3,109	2,872	3,138	3,067	3,385	3,469	3,525	3,432	12,186	13,811	11,396
Net income	$ 530	$ 475	$ 732	$ 635	$ 764	$ 893	$ 890	$ 945	$ 2,372	$ 3,492	$ 2,635
Earnings per share:
Basic	$ 0.30	$ 0.27	$ 0.42	$ 0.36	$ 0.43	$ 0.49	$ 0.48	$ 0.50	$ 1.36	$ 1.90	$ 1.36
Diluted	$ 0.30	$ 0.27	$ 0.42	$ 0.36	$ 0.43	$ 0.49	$ 0.48	$ 0.49	$ 1.35	$ 1.88	$ 1.35
Cash dividends declared per common share	$ 0.08	$ 0.08	$ 0.00	$ 0.00					$ 0.16	$ 0.00	$ 0.00
Weighted-average shares outstanding:
Basic	1,738	1,735	1,747	1,759	1,778	1,813	1,858	1,908	1,745	1,838	1,944
Diluted	1,748	1,742	1,753	1,774	1,796	1,828	1,871	1,923	1,755	1,853	1,955