CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)
In Millions, except Per Share data
Jul. 30, 2011
Jan. 29, 2011
Jul. 31, 2010
Balance Sheets Parenthetical [Abstract]      
Accumulated depreciation $ 2,930 $ 2,854 $ 2,800
Common stock, authorized 1,250 1,250 1,250
Common stock, par value per share $ 0.5 $ 0.5 $ 0.5
Common stock, issued and outstanding 213 237 236