Real Estate and Other, Net (Tables)
 12 Months Ended
Jan. 28, 2017
Real Estate and Other, Net [Abstract]  
Schedule of Other Operating Cost and Expense, by Component [Table Text Block]

The composition of real estate and other, net was as follows:  
($ in millions)
 
2016
 
2015
 
2014
Net gain from sale of non-operating assets
 
$
(5
)
 
$
(9
)
 
$
(25
)
Investment income from Home Office Land Joint Venture
 
(28
)
 
(41
)
 
(53
)
Net gain from sale of operating assets
 
(73
)
 
(9
)
 
(92
)
Store and other asset impairments
 
—

 
20

 
30

Other
 
(5
)
 
42

 
(8
)
Total expense/(income)
 
$
(111
)
 
$
3

 
$
(148
)