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Commitments And Contingencies (Tables)
 6 Months Ended
Jun. 30, 2012
Schedule Of Accrued Liabilities For Environmental Exposures
            Legacy Generation                
     Transmission and
Distribution		      Regulated     Non-Regulated      Other      Total  
     (millions of dollars)  

Beginning balance as of January 1

    $ 15       $ 8      $ 10       $ 2      $ 35  

Accruals

      —           —          —           —           —     

Payments

      —           (1 )      —           —           (1 ) 
  

 

 

     

 

 

    

 

 

     

 

 

     

 

 

  

Ending balance as of June 30

      15        7       10        2         34   

Less amounts in Other current
liabilities

      2        2       —           2         6   
  

 

 

     

 

 

    

 

 

     

 

 

     

 

 

  

Amounts in Other deferred credits

    $ 13       $ 5      $ 10       $ —         $ 28   
  

 

 

     

 

 

    

 

 

     

 

 

     

 

 

  
Schedule Of Commitments And Obligations
     Guarantor         
     PHI      Pepco      DPL      ACE      Total  

Energy procurement obligations of Pepco Energy Services (a)

    $ 121      $ —         $ —         $ —         $ 121  

Guarantees associated with disposal of Conectiv Energy assets (b)

      13        —           —           —           13  

Guaranteed lease residual values (c)

      2        4        6        3        15  
  

 

 

     

 

 

     

 

 

     

 

 

     

 

 

  

Total

    $ 136       $ 4      $ 6      $ 3      $ 149  
  

 

 

     

 

 

     

 

 

     

 

 

     

 

 

  

 

(a) PHI has contractual commitments for performance and related payments of Pepco Energy Services to counterparties under routine energy sales and procurement obligations.
(b) Represents guarantees by PHI of Conectiv Energy’s derivatives portfolio transferred in connection with the disposition of Conectiv Energy’s wholesale business. The derivative portfolio guarantee is currently $13 million and covers Conectiv Energy’s performance prior to the assignment. This guarantee will remain in effect until the end of 2015.
(c) Represents the maximum potential obligation in the event that the fair value of certain leased equipment and fleet vehicles is zero at the end of the maximum lease term. The maximum lease term associated with these assets ranges from 3 to 8 years. The maximum potential obligation at the end of the minimum lease term would be $48 million, $9 million of which is a guaranty by PHI, $13 million by Pepco, $16 million by DPL and $10 million by ACE. The minimum lease term associated with these assets ranges from 1 to 4 years. Historically, payments under the guarantees have not been made and PHI believes the likelihood of payments being required under the guarantees is remote.
Potomac Electric Power Co [Member]
  
Schedule Of Accrued Liabilities For Environmental Exposures
     Transmission and
Distribution		      Legacy Generation -
Regulated		     Total  
            (millions of dollars)        

Beginning balance as of January 1

    $ 14       $ 4     $ 18   

Accruals

      —           —          —     

Payments

      —           (1 )      (1 )
  

 

 

     

 

 

    

 

 

  

Ending balance as of June 30

      14         3        17   

Less amounts in Other current liabilities

      1         —          1   
  

 

 

     

 

 

    

 

 

  

Amounts in Other deferred credits

    $  13       $ 3     $ 16   
  

 

 

     

 

 

    

 

 

  
Delmarva Power & Light Co/De [Member]
  
Schedule Of Accrued Liabilities For Environmental Exposures
     Transmission and
Distribution		      Legacy Generation -
Regulated		     Other      Total  
     (millions of dollars)  

Beginning balance as of January 1

    $ 1       $ 4      $ 2       $ 7   

Accruals

      —           —          —           —     

Payments

      —           (1 )      —           (1 )
  

 

 

     

 

 

    

 

 

     

 

 

  

Ending balance as of June 30

      1         3       2         6   

Less amounts in Other current liabilities

      1         1       2         4   
  

 

 

     

 

 

    

 

 

     

 

 

  

Amounts in Other deferred credits

    $  —        $ 2     $     —         $ 2   
  

 

 

     

 

 

    

 

 

     

 

 

  
Atlantic City Electric Co [Member]
  
Schedule Of Accrued Liabilities For Environmental Exposures
     Legacy Generation -
Regulated		      Total  
     (millions of dollars)  

Beginning balance as of January 1

    $ 1       $ 1   

Accruals

      —           —     

Payments

      —           —     
  

 

 

     

 

 

  

Ending balance as of June 30

      1         1   

Less amounts in Other current

      —           —     
  

 

 

     

 

 

  

Amounts in Other deferred credits

    $ 1       $         1