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Fair Value Measurements (Tables)
3 Months Ended
May 04, 2013
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, by level within the hierarchy as defined by applicable accounting standards:
 
 
May 4, 2013
 
April 28, 2012
 
 
 
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
$
64

 
$

 
$
64

 
$

 
$
76

 
$

 
$
76

 
$


Estimated Fair Values of Company's Long Term Debt
The following table shows the estimated fair value of the Company's long-term debt:
 
 
May 4, 2013
 
April 28, 2012
 
Notional
Amount
 
Carrying
Amount
 
Fair
Value
 
Notional
Amount
 
Carrying
Amount
 
Fair
Value
 
(millions)
Long-term debt
$
6,578

 
$
6,765

 
$
7,536

 
$
6,399

 
$
6,609

 
$
7,312