Fair Value Disclosures (Tables)
3 Months Ended
May 02, 2015
Fair Value Disclosures [Abstract]  
Financial Instruments Not Carried at Fair Value, Carrying Value and Fair Value
Carrying values and fair values of financial instruments that are not carried at fair value in the unaudited Interim Consolidated Balance Sheets are as follows:
 
 
May 2, 2015
 
May 3, 2014
 
January 31, 2015
($ in millions)
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Long-term debt, including current maturities
$
5,343

 
$
5,028

 
$
4,857

 
$
4,363

 
$
5,350

 
$
4,834