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Fair Value Measurements and Concentrations of Credit Risk (Tables)
12 Months Ended
Jan. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]  
Fair Value of Plan Assets Measured on a Recurring Basis
The following table shows the Company’s financial assets that are required to be measured at fair value on a recurring basis:
 
 
January 28, 2012
 
January 29, 2011
 
 
 
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
$
81

 
$

 
$
81

 
$

 
$
95

 
$
41

 
$
54

 
$


Estimated Fair Values of Company's Long Term Debt
The following table shows the estimated fair value of the Company’s long-term debt:
 
 
January 28, 2012
 
January 29, 2011
 
Notional
Amount
 
Carrying
Amount
 
Fair
Value
 
Notional
Amount
 
Carrying
Amount
 
Fair
Value
 
(millions)
Long-term debt
$
6,404

 
$
6,620

 
$
7,343

 
$
6,702

 
$
6,941

 
$
6,969


Fair Value of Plan Assets Measured on a Nonrecurring Basis
The following table shows certain of the Company’s non-financial assets that were measured at fair value on a nonrecurring basis during 2011 and 2010:
 
 
January 28, 2012
 
January 29, 2011
 
 
 
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)
Long-lived assets held and used
$
5

 
$

 
$

 
$
5

 
$
18

 
$

 
$

 
$
18