Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Consolidated Statements Of Income [Abstract]
Net sales	$ 18,804	$ 18,391	$ 17,178
Cost of merchandise sold (exclusive of depreciation shown separately below)	11,625	11,359	10,680
Gross margin	7,179	7,032	6,498
Operating expenses:
Selling, general, and administrative	4,243	4,190	3,951
Depreciation and amortization	778	750	688
Operating income	2,158	2,092	1,859
Other expense (income):
Interest expense	303	313	311
Interest income	(4)	(9)	(10)
Interest expense, net	299	304	301
Income before income taxes	1,859	1,788	1,558
Provision for income taxes	692	668	585
Net income	$ 1,167	$ 1,120	$ 973
Net income per share:
Basic	$ 4.33	$ 3.69	$ 3.19
Diluted	$ 4.30	$ 3.66	$ 3.17