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ACCOUNTS RECEIVABLE AND OTHER
3 Months Ended
Mar. 31, 2012
ACCOUNTS RECEIVABLE AND OTHER  
ACCOUNTS RECEIVABLE AND OTHER
NOTE 11                      ACCOUNTS RECEIVABLE AND OTHER
 
(unaudited)
 
March 31,
   
December 31,
 
(millions of dollars)
 
2012
   
2011
 
Accounts receivable
    7       8  
Inventory
    1       1  
      8       9