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Accumulated Other Comprehensive Income Unaudited
6 Months Ended
Jun. 30, 2011
Accumulated Other Comprehensive Income [Abstract]  
Accumulated Other Comprehensive Income
2.
Accumulated Other Comprehensive Income
 
Comprehensive income and its components are presented in the Consolidated Statements of Changes in Stockholder's Equity.  Accumulated other comprehensive income, net of tax, consisted of the following as of:

(Millions of dollars)
      
   
June 30,
2011
  
June 30,
2010
 
Foreign currency translation
 $480  $(63)
Derivative financial instruments
  (6)  (25)
Total Accumulated other comprehensive income
 $474  $(88)