Fair Value Disclosures (Tables)
9 Months Ended
Oct. 29, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
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:
 
 
October 29, 2016
 
October 31, 2015
 
January 30, 2016
($ in millions)
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Total debt, excluding unamortized debt issuance costs, capital leases and note payable
$
4,837

 
$
4,759

 
$
5,329

 
$
4,947

 
$
4,830

 
$
4,248