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Available-for-Sale Securities
 3 Months Ended
Mar. 31, 2013
Available-for-Sale Securities [Line Items]  
Available-for-Sale Securities

17. Available-for-Sale Securities

 

(PPL and PPL Energy Supply)

 

Securities held by the NDT funds and auction rate securities are classified as available-for-sale. Available-for-sale securities are carried on the Balance Sheets at fair value. Unrealized gains and losses on these securities are reported, net of tax, in OCI or are recognized currently in earnings when a decline in fair value is determined to be other-than-temporary. The specific identification method is used to calculate realized gains and losses.

 

The following table shows the amortized cost, the gross unrealized gains and losses recorded in AOCI, and the fair value of available-for-sale securities.

       March 31, 2013 December 31, 2012
          Gross Gross      Gross Gross  
       Amortized   Unrealized   Unrealized    Amortized  Unrealized  Unrealized   
       Cost Gains Losses Fair Value  Cost  Gains Losses Fair Value
PPL                        
 NDT funds:                        
   Cash and cash equivalents $ 8       $ 8 $ 11       $ 11
   Equity securities:                         
    U.S. large-cap   225 $ 232      457   222 $ 190      412
    U.S. mid/small-cap   32   36      68   30   30      60
   Debt securities:                        
    U.S. Treasury   86   9      95   86   9      95
    U.S. government sponsored                        
     agency   8   1      9   8   1      9
    Municipality   80   4 $ 1   83   78   5 $ 1   82
    Investment-grade corporate   37   3      40   36   4      40
    Other   3         3   3         3
   Receivables/payables, net   1         1            
   Total NDT funds   480   285   1   764   474   239   1   712
 Auction rate securities   20      1   19   20      1   19
 Total  $ 500 $ 285 $ 2 $ 783 $ 494 $ 239 $ 2 $ 731
                              
PPL Energy Supply                        
 NDT funds:                        
   Cash and cash equivalents $ 8       $ 8 $ 11       $ 11
   Equity securities:                         
    U.S. large-cap   225 $ 232      457   222 $ 190      412
    U.S. mid/small-cap   32   36      68   30   30      60
   Debt securities:                        
    U.S. Treasury   86   9      95   86   9      95
    U.S. government sponsored                        
     agency   8   1      9   8   1      9
    Municipality   80   4 $ 1   83   78   5 $ 1   82
    Investment-grade corporate   37   3      40   36   4      40
    Other   3         3   3         3
   Receivables/payables, net   1         1            
   Total NDT funds   480   285   1   764   474   239   1   712
 Auction rate securities   17      1   16   17      1   16
 Total $ 497 $ 285 $ 2 $ 780 $ 491 $ 239 $ 2 $ 728

There were no securities with credit losses at March 31, 2013 and December 31, 2012.

 

The following table shows the scheduled maturity dates of debt securities held at March 31, 2013.

   Maturity Maturity Maturity Maturity   
    Less Than1-56-10in Excess  
   1 YearYearsYearsof 10 YearsTotal
PPL               
Amortized cost $ 13 $ 82 $ 62 $ 77 $ 234
Fair value   13   85   68   83   249
                 
PPL Energy Supply               
Amortized cost $ 13 $ 82 $ 62 $ 74 $ 231
Fair value   13   85   68   80   246

The following table shows proceeds from and realized gains and losses on sales of available-for-sale securities for the periods ended March 31.

         Three Months
       2013 2012
PPL and PPL Energy Supply            
Proceeds from sales of NDT securities (a)       $ 24 $ 34
Gross realized gains (b)         4   6
Gross realized losses (b)         2   1

(a)       These proceeds are used to pay income taxes and fees related to managing the trust. Remaining proceeds are reinvested in the trust.

(b)       Excludes the impact of other-than-temporary impairment charges recognized on the Statements of Income.

PPL Energy Supply LLC [Member]
  
Available-for-Sale Securities [Line Items]  
Available-for-Sale Securities

17. Available-for-Sale Securities

 

(PPL and PPL Energy Supply)

 

Securities held by the NDT funds and auction rate securities are classified as available-for-sale. Available-for-sale securities are carried on the Balance Sheets at fair value. Unrealized gains and losses on these securities are reported, net of tax, in OCI or are recognized currently in earnings when a decline in fair value is determined to be other-than-temporary. The specific identification method is used to calculate realized gains and losses.

 

The following table shows the amortized cost, the gross unrealized gains and losses recorded in AOCI, and the fair value of available-for-sale securities.

       March 31, 2013 December 31, 2012
          Gross Gross      Gross Gross  
       Amortized   Unrealized   Unrealized    Amortized  Unrealized  Unrealized   
       Cost Gains Losses Fair Value  Cost  Gains Losses Fair Value
PPL                        
 NDT funds:                        
   Cash and cash equivalents $ 8       $ 8 $ 11       $ 11
   Equity securities:                         
    U.S. large-cap   225 $ 232      457   222 $ 190      412
    U.S. mid/small-cap   32   36      68   30   30      60
   Debt securities:                        
    U.S. Treasury   86   9      95   86   9      95
    U.S. government sponsored                        
     agency   8   1      9   8   1      9
    Municipality   80   4 $ 1   83   78   5 $ 1   82
    Investment-grade corporate   37   3      40   36   4      40
    Other   3         3   3         3
   Receivables/payables, net   1         1            
   Total NDT funds   480   285   1   764   474   239   1   712
 Auction rate securities   20      1   19   20      1   19
 Total  $ 500 $ 285 $ 2 $ 783 $ 494 $ 239 $ 2 $ 731
                              
PPL Energy Supply                        
 NDT funds:                        
   Cash and cash equivalents $ 8       $ 8 $ 11       $ 11
   Equity securities:                         
    U.S. large-cap   225 $ 232      457   222 $ 190      412
    U.S. mid/small-cap   32   36      68   30   30      60
   Debt securities:                        
    U.S. Treasury   86   9      95   86   9      95
    U.S. government sponsored                        
     agency   8   1      9   8   1      9
    Municipality   80   4 $ 1   83   78   5 $ 1   82
    Investment-grade corporate   37   3      40   36   4      40
    Other   3         3   3         3
   Receivables/payables, net   1         1            
   Total NDT funds   480   285   1   764   474   239   1   712
 Auction rate securities   17      1   16   17      1   16
 Total $ 497 $ 285 $ 2 $ 780 $ 491 $ 239 $ 2 $ 728

There were no securities with credit losses at March 31, 2013 and December 31, 2012.

 

The following table shows the scheduled maturity dates of debt securities held at March 31, 2013.

   Maturity Maturity Maturity Maturity   
    Less Than1-56-10in Excess  
   1 YearYearsYearsof 10 YearsTotal
PPL               
Amortized cost $ 13 $ 82 $ 62 $ 77 $ 234
Fair value   13   85   68   83   249
                 
PPL Energy Supply               
Amortized cost $ 13 $ 82 $ 62 $ 74 $ 231
Fair value   13   85   68   80   246

The following table shows proceeds from and realized gains and losses on sales of available-for-sale securities for the periods ended March 31.

         Three Months
       2013 2012
PPL and PPL Energy Supply            
Proceeds from sales of NDT securities (a)       $ 24 $ 34
Gross realized gains (b)         4   6
Gross realized losses (b)         2   1

(a)       These proceeds are used to pay income taxes and fees related to managing the trust. Remaining proceeds are reinvested in the trust.

(b)       Excludes the impact of other-than-temporary impairment charges recognized on the Statements of Income.