Property And Equipment, Net (Tables)
 6 Months Ended
Jul. 28, 2012
Property, Plant and Equipment [Abstract]  
Summary Of Property And Equipment, Net
The following table provides details of property and equipment, net as of July 28, 2012, January 28, 2012 and July 30, 2011:
 
 
July 28,
2012
 
January 28,
2012
 
July 30,
2011
 
(in millions)
Property and Equipment, at Cost
$
4,612

 
$
4,387

 
$
4,227

Accumulated Depreciation and Amortization
(2,837
)
 
(2,743
)
 
(2,644
)
Property and Equipment, Net
$
1,775

 
$
1,644

 
$
1,583