Real Estate and Other, Net Real Estate and Other, Net (Tables)
 3 Months Ended
Apr. 30, 2016
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)
 
April 30,
2016
 
May 2,
2015
 
Net gain from sale of non-operating assets
 
$
(5
)
 
$
(2
)
 
Investment income from Home Office Land Joint Venture
 
(24
)
 
(22
)
 
Net gain from sale of operating assets
 
(8
)
 
(8
)
 
Other
 
(1
)
 
(3
)
 
Total expense/(income)
 
$
(38
)
 
$
(35
)