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Income Taxes, Unrecognized Tax Benefits (Tables)
9 Months Ended
Sep. 30, 2011
Income Taxes, Unrecognized Tax Benefits 
Schedule of change in unrecognized tax benefits

At September 30, 2011
   
 
   
 
  (In millions)
 

Total unrecognized tax benefits, January 1, 2011

  $ 239.8  

Increases in tax positions related to the current year

    0.9  

Increases in tax positions related to prior years

    29.7  

Reductions in tax positions related to prior years

    (89.1 )
   

Total unrecognized tax benefits, September 30, 20111

  $ 181.3  
   

1 BGE's portion of our total unrecognized tax benefits at September 30, 2011 was $12.0 million.

Schedule of interest and penalties recorded as tax expense relating to liabilities for unrecognized tax benefits
 
  Quarter
Ended
September 30,

  Nine Months
Ended
September 30,

 
 
  2011
  2010
  2011
  2010
 
   
 
  (In millions)
 

Interest and penalties recorded as tax (benefit) expense

  $ (1.6 ) $ 3.0   $ 3.9   $ (4.3 )