Significant Accounting Policies (Tables)
 12 Months Ended
Feb. 01, 2014
Accounting Policies [Abstract]  
Schedule of Property and Equipment, Net
 
 
Estimated Useful Lives
 
 
 
 
($ in millions)
 
(Years)
 
2013
 
2012
Land
 
N/A
 
$
309

 
$
310

Buildings
 
50
 
4,951

 
4,641

Furniture and equipment
 
3-20
 
2,356

 
2,132

Leasehold improvements
 
 
 
1,318

 
1,150

Accumulated depreciation
 
 
 
(3,315
)
 
(2,880
)
Property and equipment, net
 
 
 
$
5,619

 
$
5,353