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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Jan. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
($ in millions)
 
January 31,
2015
 
February 1,
2014
Goodwill
 
$
180

 
$
180

Trade names
 
$
92

 
$
92

Other indefinite-lived intangible assets
 
$
6

 
$
6

Intangible assets subject to amortization
 
$
18

 
$
18

Less: Accumulated amortization
 
(17
)
 
(17
)
Intangible assets subject to amortization, net
 
$
1

 
$
1