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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value Disclosures [Abstract]  
Assets and Liabilities at fair value
 
Total Carrying Value in the
Consolidated
Balance Sheet
 
Quoted Prices in Active Markets for Identical
Assets/Liabilities
(Level 1)
 
Significant Other
Observable Inputs
(Level 2)
 
Significant Unobservable
Inputs
(Level 3)
(In millions)
2012
 
2011
 
2012
 
2011
 
2012
 
2011
 
2012
 
2011
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Investments
$
48

 
$
44

 
$
48

 
$
44

 
$

 
$

 
$

 
$

Foreign Exchange Contracts
25

 
37

 

 

 
25

 
37

 

 

Total Assets at Fair Value
$
73

 
$
81

 
$
48

 
$
44

 
$
25

 
$
37

 
$

 
$

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Foreign Exchange Contracts
$
12

 
$
6

 
$

 
$

 
$
12

 
$
5

 
$

 
$
1

Total Liabilities at Fair Value
$
12

 
$
6

 
$

 
$

 
$
12

 
$
5

 
$

 
$
1

Fair Value of Long-term Fixed Rate and Variable Rate Debt excluding Capital Leases
 
June 30,
 
December 31,
(In millions)
2012
 
2011
Fixed Rate Debt:
 
 
 
Carrying amount — liability
$
2,978

 
$
2,843

Fair value — liability
3,057

 
2,891

 
 
 
 
Variable Rate Debt:
 
 
 
Carrying amount — liability
$
2,491

 
$
2,071

Fair value — liability
2,432

 
2,029