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Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value of Financial Instruments 
Carrying amounts and estimated fair values of long-term debt, including debt due within one year

 

 

 

September 30, 2011

 

December 31, 2010

 

 

 

Carrying
amount

 

Fair
value

 

Carrying
amount

 

Fair
value

 

 

 

 

 

 

 

 

 

 

 

Long-term debt, including current maturities

 

$

10,232

 

$

10,772

 

$

10,271

 

$

10,562

 

Long-term debt of consolidated variable interest entities, including current maturities

 

868

 

868

 

950

 

964