Real Estate and Other, Net (Tables)
 12 Months Ended
Feb. 03, 2018
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)
 
2017
 
2016
 
2015
Net gain from sale of non-operating assets
 
$
—

 
$
(5
)
 
$
(9
)
Investment income from Home Office Land Joint Venture
 
(31
)
 
(28
)
 
(41
)
Net gain from sale of operating assets
 
(119
)
 
(73
)
 
(9
)
Store and other asset impairments
 
—

 
—

 
20

Other
 
4

 
(5
)
 
42

Total expense/(income)
 
$
(146
)
 
$
(111
)
 
$
3