Real Estate and Other, Net Real Estate and Other, Net (Tables)
 6 Months Ended
Aug. 04, 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:
 
Three Months Ended
 
Six Months Ended
($ in millions)
August 4,
2018
 
July 29,
2017
 
August 4,
2018
 
July 29,
2017
Investment income from Home Office Land Joint Venture
$
(1
)
 
$
(19
)
 
$
(1
)
 
$
(20
)
Net gain from sale of operating assets
(40
)
 
(1
)
 
(57
)
 
(118
)
Impairments
52

 
—

 
52

 
—

Other
1

 
1

 
—

 
1

Total expense/(income)
$
12

 
$
(19
)
 
$
(6
)
 
$
(137
)