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Fair Value Measurements (Tables)
3 Months Ended
May 02, 2015
Fair Value Disclosures [Abstract]  
Schedule of Carrying Value and Fair Value of Debt Obligations
  The following table shows the difference between the financial statement carrying value and fair value of the Company's debt obligations as of May 2, 2015 and January 31, 2015 (in millions). The fair values of these notes were determined based on quoted market prices and are classified as Level 1 measurements.
 
May 2, 2015
 
January 31, 2015
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
January 2018 Notes
$
497

 
$
506

 
$
497

 
$
507

January 2023 Notes
496

 
492

 
496

 
511