Annual report pursuant to Section 13 and 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

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ASSET RETIREMENT OBLIGATIONS (Tables)
12 Months Ended
Dec. 31, 2011
ASSET RETIREMENT OBLIGATIONS  
Schedule of changes to asset retirement obligation liabilities

 

 

 
  December 31,  
 
  2011   2010  

Asset retirement obligation at beginning of year

  $ 24   $ 21  

Accretion expense

    2     1  

Liabilities incurred

        1  

Liabilities assumed in connection with the consolidation of a variable interest entity

    2      

Liabilities settled

    (1 )    

Foreign currency effect on reserve balance

    (1 )   1  
           

Asset retirement obligation at end of year

  $ 26   $ 24