Quarterly report pursuant to Section 13 or 15(d)

DEBT (Details)

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DEBT (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Long-term debt    
Long-term debt gross $ 626 $ 638
Unamortized discount (35) (36)
Fair value adjustment due to hedge on indebtedness 88 82
Capital leases 68 71
Total long-term debt 747 755
Less: Current maturities of long-term debt (77) (97)
Long-term debt 670 658
Principal payments required on long-term debt    
2012 33  
2013 71  
2014 31  
2015 43  
2016 14  
Export financing loan, 4.5%, due 2012
   
Long-term debt    
Debt instrument interest rate (as a percent) 4.50%  
Long-term debt gross   31
Export financing loan, 4.5%, due 2013
   
Long-term debt    
Debt instrument interest rate (as a percent) 4.50%  
Long-term debt gross 34 44
Debentures, 6.75%, due 2027
   
Long-term debt    
Debt instrument interest rate (as a percent) 6.75%  
Long-term debt gross 58 58
Debentures, 7.125%, due 2028
   
Long-term debt    
Debt instrument interest rate (as a percent) 7.125%  
Long-term debt gross 250 250
Debentures, 5.65%, due 2098 (effective interest rate 7.48%)
   
Long-term debt    
Debt instrument interest rate (as a percent) 5.65%  
Effective interest rate (as a percent) 7.48%  
Long-term debt gross 165 165
Other long-term debt
   
Long-term debt    
Long-term debt gross $ 119 $ 90