Significant Accounting Policies (Property and Equipment, Net) (Details) New (USD $)
In Millions, unless otherwise specified
24 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Feb. 02, 2013
Building [Member]
Feb. 02, 2013
Furniture and equipment [Member]
Maximum [Member]
Feb. 02, 2013
Furniture and equipment [Member]
Minimum [Member]
Estimated Useful Lives (Years)     50 20 3
Land $ 310 $ 312      
Buildings 4,641 4,549      
Furniture and equipment 2,132 2,209      
Leasehold improvements 1,150 1,071      
Accumulated depreciation (2,880) (2,965)      
Property and equipment, net $ 5,353 $ 5,176