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Financing costs and additional notes and loans payable information (Tables)
 12 Months Ended
Dec. 31, 2013
Schedule Of Financing Costs
millions of dollars    2013     2012     2011  

Debt-related interest

      69                    20                    16   

Capitalized interest

      (69 )      (20 )      (16 ) 

Net interest expense

      -        -        -   

Other interest

      11        (1 )      3   

Total financing costs (a)

      11        (1 )      3   
(a) Cash interest payments in 2013 were $69 million (2012 – $20 million, 2011 – $16 million). The weighted average interest rate on short-term borrowings in 2013 was 1.1 percent (2012 – 1.1 percent).