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Fair Value Measurements (Tables)
3 Months Ended
May 04, 2013
Fair Value Disclosures [Abstract]  
Summary of Financial Instruments
The following table summarizes our financial instruments:
 
 
May 4, 2013
 
February 2, 2013
 
April 28, 2012
 
Pricing Category
Cost
Fair Value
 
Cost
Fair Value
 
Cost
Fair Value
 
 
(In Millions)
Cash and cash equivalents
Level 1
$
518

$
518

 
$
537

$
537

 
$
1,029

$
1,029

Long-term investments
Level 3
83

58

 
84

53

 
192

156

Debt
Level 1
2,492

2,802

 
2,492

2,702

 
2,141

2,435

Long-Term Investments
The following table presents a rollforward of our long-term investments:
 
May 4,
2013
 
April 28,
2012
 
(In Millions)
Balance at beginning of year
$
53

 
$
153

Sales
(1
)
 
(1
)
Unrealized gains
6

 
4

Balance at end of period
$
58

 
$
156