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Goodwill And Other Intangibles (Tables)
6 Months Ended
Jun. 30, 2011
Goodwill And Other Intangibles  
Changes in the Carrying Amount of Goodwill
Amortized Intangible Assets
                                                 
     June 30, 2011      December 31, 2010  
(In millions of dollars)   

Gross

Cost

    

Accumulated

Amortization

    

Net

Carrying

Amount

    

Gross

Cost

    

Accumulated

Amortization

    

Net

Carrying

Amount

 
             

Amortized intangibles

   $ 641       $ 236       $ 405       $ 615       $ 212       $ 403   
Estimated Future Aggregate Amortization Expense
         

For the Years Ending December 31,

(In millions of dollars)

   Estimated Expense  
   

2011 (excludes amortization through June 30, 2011)

     $  32   

2012

     62   

2013

     56   

2014

     52   

2015

     45   

Subsequent years

     158   
       $405