Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011
Income Statement [Abstract]
Net sales	$ 6,143	$ 5,889
Cost of sales	(3,757)	(3,586)
Gross margin	2,386	2,303
Selling, general and administrative expenses	(1,995)	(1,973)
Operating income (loss)	391	330
Interest expense	(113)	(117)
Interest income	1	1
Income (loss) before income taxes	279	214
Federal, state and local income tax expense	(98)	(83)
Net income (loss)	$ 181	$ 131
Basic earnings per share	$ 0.43	$ 0.31
Diluted earnings per share	$ 0.43	$ 0.30