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ACCOUNTS RECEIVABLE AND OTHER (Tables)
9 Months Ended
Sep. 30, 2012
ACCOUNTS RECEIVABLE AND OTHER  
Schedule of accounts receivable and other
(unaudited)
           
(millions of dollars)
 
September 30, 2012
   
December 31, 2011
 
             
Accounts receivable
    9       8  
Inventory
    1       1  
      10       9