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Fair Value Measurements
6 Months Ended
Jul. 30, 2011
Fair Value Measurements  
Fair Value Measurements
7. Fair Value Measurements

The following table shows the Company's financial assets that are required to be measured at fair value on a recurring basis:

 

    July 30, 2011     July 31, 2010  
          Fair Value Measurements           Fair Value Measurements  
    Total     Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
    Significant
Observable
Inputs
(Level 2)
    Significant
Unobservable
Inputs
(Level 3)
    Total     Quoted Prices
in Active
Markets for
Identical Assets
(Level 1)
    Significant
Observable
Inputs
(Level 2)
    Significant
Unobservable
Inputs
(Level 3)
 
    (millions)  

Marketable equity and debt securities

  $ 73      $ 0      $ 73      $ 0      $ 95      $ 30      $ 65      $ 0   

Other financial instruments not measured at fair value on a recurring basis include cash and cash equivalents, receivables, short-term debt, merchandise accounts payable, accounts payable and accrued liabilities and long-term debt. With the exception of long-term debt, the carrying amount approximates fair value because of the short maturity of these instruments. The fair values of long-term debt, excluding capitalized leases, are estimated based on the quoted market prices for publicly traded debt or by using discounted cash flow analyses, based on the Company's current incremental borrowing rates for similar types of borrowing arrangements.

The following table shows the estimated fair values of the Company's long-term debt:

 

     July 30, 2011      July 31, 2010  
     Notional
Amount
     Carrying
Amount
     Fair
Value
     Notional
Amount
     Carrying
Amount
     Fair
Value
 
     (millions)  

Long-term debt

   $ 5,907       $ 6,134       $ 6,557       $ 7,207       $ 7,464       $ 7,324