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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2011
Notes To Financial Statements [Abstract] 
Basic and Diluted EPS Computations

Reconciliations of the amounts of income and shares of PPL common stock (in thousands) for the periods ended September 30 used in the EPS calculation are:

     Three Months Nine Months
     2011 2010 2011 2010
Income (Numerator)            
Income from continuing operations after income taxes attributable to PPL $ 444 $ 301 $ 1,039 $ 621
Less amounts allocated to participating securities   2   1   4   2
Income from continuing operations after income taxes available to PPL            
 common shareowners $ 442 $ 300 $ 1,035 $ 619
                
Income (loss) from discontinued operations (net of income taxes) available            
 to PPL $  $ (53) $ 2 $ (38)
                
Net income attributable to PPL $ 444 $ 248 $ 1,041 $ 583
Less amounts allocated to participating securities   2   1   4   2
Net income available to PPL common shareowners $ 442 $ 247 $ 1,037 $ 581
                
Shares of Common Stock (Denominator)            
Weighted-average shares - Basic EPS   577,595   482,552   541,135   414,068
Add incremental non-participating securities:            
  Stock options and performance units   459   210   345   219
Weighted-average shares - Diluted EPS   578,054   482,762   541,480   414,287
                
Basic EPS             
Available to PPL common shareowners:            
  Income from continuing operations after income taxes  $ 0.76 $ 0.62 $ 1.91 $ 1.49
  Income (loss) from discontinued operations (net of income taxes)      (0.11)   0.01   (0.09)
Net Income $ 0.76 $ 0.51 $ 1.92 $ 1.40
                
Diluted EPS             
Available to PPL common shareowners:            
  Income from continuing operations after income taxes  $ 0.76 $ 0.62 $ 1.91 $ 1.49
  Income (loss) from discontinued operations (net of income taxes)      (0.11)      (0.09)
Net Income $ 0.76 $ 0.51 $ 1.91 $ 1.40
Antidilutive Securities Excluded From Diluted EPS

For the periods ended September 30 the following options to purchase PPL common stock and performance units were excluded from the computations of diluted EPS because the effect would have been antidilutive.

  Three Months Nine Months
(Shares in thousands) 2011 2010 2011 2010
             
Stock options   4,473   5,194   5,377   4,844
Performance units   3      3   61