XML 40 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
FINANCIAL CHARGES AND OTHER (Tables)
12 Months Ended
Dec. 31, 2012
FINANCIAL CHARGES AND OTHER  
Schedule of financial charges and other

 

Year ended December 31 (millions of dollars, except per unit)
 
2012

 
2011

 
2010  

   

Interest expense on long-term debt   22   14   9    
Loss on interest rate swaps and options     14   17    
Interest income     (2 )    
Amortization of debt issue costs   1   2      

    23   28   26