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Fair Value Measurements (Tables)
6 Months Ended
Jul. 30, 2017
Fair Value Disclosures [Abstract]  
Assets and Liabilities Measured at Fair Value on a Recurring Basis
The following table presents the assets and liabilities, if any, of the Company that are measured at fair value on a recurring basis:
amounts in millions 
Fair Value at July 30, 2017 Using
 
Fair Value at January 29, 2017 Using
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
 
Significant Observable Inputs
(Level 2)
 
Significant Unobservable Inputs
(Level 3)
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
 
Significant Observable Inputs
(Level 2)
 
Significant Unobservable Inputs
(Level 3)
Derivative agreements - assets
$

 
$
208

 
$

 
$

 
$
271

 
$

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis
The aggregate fair and carrying values of the Company's senior notes were as follows:
amounts in millions 
July 30, 2017
 
January 29, 2017
 
Fair Value
(Level 1)
 
Carrying
Value
 
Fair Value
(Level 1)
 
Carrying
Value
Senior notes
$
26,194

 
$
24,005

 
$
23,620

 
$
22,013