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Other Income (Expense) - net (Tables)
 3 Months Ended
Mar. 31, 2013
Other Income (Expense) - net [Line Items]  
Other Income (Expense) - net

The breakdown of "Other Income (Expense) - net" for the periods ended March 31 was:

          Three Months
        2013 2012
PPL            
Other Income            
 Earnings on securities in NDT funds       $ 5 $ 8
 Interest income         1   1
 AFUDC - equity component         3   2
 Miscellaneous - Domestic         2   2
 Miscellaneous - U.K.         1   
 Total Other Income         12   13
Other Expense            
 Economic foreign currency exchange contracts (Note 14)         (119)   18
 Charitable contributions         4   4
 Miscellaneous - Domestic         4   6
 Miscellaneous - U.K.         1   2
 Total Other Expense         (110)   30
Other Income (Expense) - net       $ 122 $ (17)