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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
 6 Months Ended
Jun. 30, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
The estimated fair values and carrying values of our long-term debt consisted of the following:
 
JUNE 30,

2011
 
DECEMBER 31,

2010
DOLLAR AMOUNTS IN MILLIONS    
CARRYING 
VALUE
 
FAIR VALUE
(LEVEL 2)
 
CARRYING 
VALUE
 
FAIR VALUE
(LEVEL 2)
Long-term debt (including current maturities):
 
 
 
 
 
 
 
Forest Products
$
4,192


 
$
4,491


 
$
4,710


 
$
5,029


Real Estate
$
318


 
$
327


 
$
350


 
$
360