Real Estate and Other, Net (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 29, 2011
Oct. 30, 2010
Oct. 29, 2011
Oct. 30, 2010
Real Estate and Other, Net [Abstract]        
Real estate activities $ (8) $ (8) $ (30) $ (24)
Other 3 1 6 4
Total (income) $ (5) $ (7) $ (24) $ (20)