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ACCOUNTS RECEIVABLE AND OTHER (Tables)
3 Months Ended
Mar. 31, 2013
ACCOUNTS RECEIVABLE AND OTHER  
Schedule of accounts receivable and other

 

(unaudited)

 

 

 

 

(millions of dollars)

 

March 31, 2013

 

December 31, 2012

 

 

 

 

 

Accounts receivable

 

7

 

8

Inventory

 

1

 

1

 

 

8

 

9