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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
 3 Months Ended
Mar. 31, 2012
Estimated Fair Values and Carrying Values of Long-Term Debt
The estimated fair values and carrying values of our long-term debt consisted of the following:
 
MARCH 31,
2012
 
DECEMBER 31,
2011
DOLLAR AMOUNTS IN MILLIONS    
CARRYING 
VALUE
 
FAIR VALUE
(LEVEL 2)
 
CARRYING 
VALUE
 
FAIR VALUE
(LEVEL 2)
Long-term debt (including current maturities):
 
 
 
 
 
 
 
Forest Products
$
4,193

 
$
4,730

 
$
4,193

 
$
4,579

Real Estate
$
283

 
$
286

 
$
285

 
$
291