XML 21 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
ACCOUNTS RECEIVABLE AND OTHER (Tables)
6 Months Ended
Jun. 30, 2012
ACCOUNTS RECEIVABLE AND OTHER  
Schedule of accounts receivable and other
(unaudited)
           
(millions of dollars)
 
June 30, 2012
   
December 31, 2011
 
             
Accounts receivable
    7       8  
Inventory
    1       1  
      8       9