CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Oct. 27, 2012	Jan. 28, 2012	Oct. 29, 2011
Property and equipment, accumulated depreciation	$ 5,355	$ 5,260	$ 5,202
Common stock, par value (in dollars per share)	$ 0.05	$ 0.05	$ 0.05
Common stock, shares authorized (in shares)	2,300	2,300	2,300
Common stock, shares issued (in shares)	1,106	1,106	1,106
Common stock, shares outstanding (in shares)	480	485	489
Treasury stock, shares (in shares)	626	621	617