Long-Term Debt Long-Term Debt (Tables)
 9 Months Ended
Nov. 01, 2014
Debt Instrument [Line Items]  
Schedule of Extinguishment of Debt [Table Text Block]
Title of Security
 
Principal Amount Outstanding Prior to 2014 Tender Offers ($ in millions)
 
Tender Premium(1)
 
Principal Amount Tendered ($ in millions)
 
Principal Amount Accepted for Purchase ($ in millions)
 
Principal Amount Outstanding After the 2014 Tender Offers ($ in millions)
6.875% Medium-Term Notes due 2015
 
$
200

 
$
67.50

 
$
140

 
$
140

 
$
60

7.65% Debentures due 2016
 
200

 
105.00

 
122

 
122

 
78

7.95% Debentures due 2017
 
285

 
97.50

 
194

 
65

 
220

Total
 
$
685

 
 
 
$
456

 
$
327

 
$
358

(1)
Per $1,000 principal amount of Securities.