XML 53 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivative Instruments and Hedging Activities (Tables)
12 Months Ended
Dec. 31, 2013
Derivative Instruments and Hedging Activities [Line Items]  
Commodity Price Risk (Non-trading) - Economic Activity - Pre-tax Gains (Losses) Associated with Economic Activity

The unrealized gains (losses) for economic activity were as follows.

   2013 2012 2011
           
Operating Revenues         
 Unregulated wholesale energy  $ (721) $ (311) $ 1,407
 Unregulated retail energy   12   (17)   31
Operating Expenses         
 Fuel   (4)   (14)   6
 Energy purchases   586   442   (1,123)
Commodity Volumes - Volumes of Derivative (Sales) Purchase Contracts

At December 31, 2013, the net volumes of derivative (sales)/purchase contracts used in support of the various strategies discussed above were as follows.

    Volumes (a)
Commodity Unit of Measure 2014 2015 2016 Thereafter
           
Power MWh  (33,278,963)  (14,421,817)  4,348,927  18,931,370
Capacity MW-Month  (19,575)  (3,929)  501  9
Gas MMBtu  25,869,617  (33,082,289)  19,082,945  (9,202,403)
Coal Tons  495,900      
FTRs MW-Month  9,581  1,705    
Oil Barrels  150,000  380,869  274,137  101,261

(a)       Volumes for option contracts factor in the probability of an option being exercised and may be less than the notional amount of the option.

Fair Value and Balance Sheet Location of Derivative Instruments

The following table presents the fair value and location of derivative instruments recorded on the Balance Sheets.

       December 31, 2013 December 31, 2012
       Derivatives designated as  Derivatives not designated Derivatives designated as  Derivatives not designated
       hedging instruments  as hedging instruments  hedging instruments  as hedging instruments
       Assets Liabilities Assets Liabilities Assets Liabilities Assets Liabilities
Current:                        
 Price Risk Management                         
  Assets/Liabilities (a):                        
   Interest rate swaps (b) $ 82       $ 4 $ 14 $ 22    $ 5
   Cross-currency swaps     $ 4            3      
   Foreign currency                        
    contracts      16      55      2      23
   Commodity contracts       $ 860   750   59    $ 1,452   1,010
     Total current   82   20   860   809   73   27   1,452   1,038
Noncurrent:                        
 Price Risk Management                         
  Assets/Liabilities (a):                        
   Interest rate swaps (b)   9         32   1         53
   Cross-currency swaps       28         14   1      
   Foreign currency                        
    contracts      4      31            19
   Commodity contracts         328   320   27      530   556
     Total noncurrent   9   32   328   383   42   1   530   628
Total derivatives $ 91 $ 52 $ 1,188 $ 1,192 $ 115 $ 28 $ 1,982 $ 1,666

(a)       Represents the location on the Balance Sheets

(b)       Excludes accrued interest, if applicable.

Pre-tax Gain (Loss) on Derivative Instruments Recognized in Income or on the Balance Sheet

The following tables present the pre-tax effect of derivative instruments recognized in income, OCI or regulatory assets and regulatory liabilities.

 Derivatives in Hedged Items in Location of Gain      
 Fair Value Hedging Fair Value Hedging (Loss) Recognized Gain (Loss) Recognized Gain (Loss) Recognized
 Relationships Relationships in Income in Income on Derivative  in Income on Related Item
            
           
            
2012          
 Interest rate swaps Fixed rate debt Interest Expense    $ 3
2011          
 Interest rate swaps Fixed rate debt Interest Expense $ 2   25
     Other Income (Expense) - net      22

             Gain (Loss) Recognized
             in Income on Derivative
     Derivative Gain   Gain (Loss) Reclassified (Ineffective Portion and
   Derivative  (Loss) Recognized in Location of Gain (Loss) from AOCI into Income Amount Excluded from
   Relationships  OCI (Effective Portion) Recognized in Income (Effective Portion) Effectiveness Testing)
2013           
 Cash Flow Hedges:           
  Interest rate swaps $ 127 Interest Expense $ (20)   
  Cross-currency swaps   (41) Other Income (Expense) - net   (28)   
        Interest Expense   1   
  Commodity contracts    Unregulated wholesale energy    263 $ 1
        Energy purchases   (58)   
        Depreciation   2   
        Other    3   
 Total $ 86   $ 163 $ 1
 Net Investment Hedges:           
  Foreign currency contracts $ (14)        
               
2012           
 Cash Flow Hedges:           
  Interest rate swaps $ (28) Other income (Expense) - net $ 1   
        Interest Expense   (18)   
               
  Cross-currency swaps   (15) Other Income (Expense) - net   (23)   
        Interest Expense   (2)   
  Commodity contracts   114 Unregulated wholesale energy    891 $ (1)
        Energy purchases   (139)   (2)
        Depreciation   2   
 Total $ 71   $ 712 $ (3)
 Net Investment Hedges:           
  Foreign currency contracts $ (7)        
               
2011           
 Cash Flow Hedges:           
  Interest rate swaps $ (55) Interest Expense $ (13) $ (13)
  Cross-currency swaps   (35) Other Income (Expense) - net   29   
        Interest Expense   5   
               
  Commodity contracts   431 Unregulated wholesale energy    835   (39)
        Fuel   1   
        Energy purchases   (243)   1
        Depreciation   2   
 Total $ 341   $ 616 $ (51)
 Net Investment Hedges:           
  Foreign currency contracts $ 6        

Derivatives Not Designated as Location of Gain (Loss) Recognized in         
Hedging Instruments  Income on Derivatives  2013  2012  2011
            
Foreign currency contracts Other Income (Expense) - net $ (38) $ (52) $ 65
Interest rate swaps Interest Expense   (8)   (8)   (8)
Commodity contracts Utility         (1)
  Unregulated wholesale energy    (85)   1,199   1,600
  Unregulated retail energy   25   30   39
  Fuel   2      (1)
  Energy purchases   130   (965)   (1,493)
  Total $ 26 $ 204 $ 201
            
Derivatives Not Designated as Location of Gain (Loss) Recognized as         
Hedging Instruments Regulatory Liabilities/Assets  2013  2012  2011
            
Interest rate swaps Regulatory assets - noncurrent $ 22 $ 1 $ (26)
            
Derivatives Designated as Location of Gain (Loss) Recognized as         
Cash Flow Hedges Regulatory Liabilities/Assets  2013  2012  2011
            
Interest rate swaps Regulatory liabilities - noncurrent $ 72 $ 14   
Derivative Positions Eligible for Offset with Related Cash Collateral

The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.

     Assets Liabilities
        Eligible for Offset       Eligible for Offset   
           Cash          Cash   
        Derivative Collateral       Derivative Collateral   
     Gross Instruments Received Net Gross Instruments Pledged Net
December 31, 2013                        
PPL                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157
 Treasury Derivatives   91   61      30   174   61   23   90
Total $ 1,279 $ 973 $ 7 $ 299 $ 1,244 $ 973 $ 24 $ 247
                           
PPL Energy Supply                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157

LKE                        
 Treasury Derivatives             $ 36    $ 20 $ 16
                           
LG&E                        
 Treasury Derivatives             $ 36    $ 20 $ 16

December 31, 2012                        
PPL                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144
 Treasury Derivatives   29   19      10   128   19   30   79
Total $ 2,097 $ 1,432 $ 111 $ 554 $ 1,694 $ 1,432 $ 39 $ 223
                           
PPL Energy Supply                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144

LKE                        
 Treasury Derivatives $ 14       $ 14 $ 58    $ 30 $ 28
                           
LG&E                        
 Treasury Derivatives $ 7       $ 7 $ 58    $ 30 $ 28
                           
KU                        
 Treasury Derivatives $ 7       $ 7            
Credit Risk-Related Contingent Features

At December 31, 2013, the effect of a decrease in credit ratings below investment grade on derivative contracts that contain credit risk-related contingent features and were in a net liability position is summarized as follows:

       PPL      
    PPL Energy Supply LKE LG&E
               
Aggregate fair value of derivative instruments in a net liability             
 position with credit risk-related contingent features $ 245 $ 157 $ 26 $ 26
Aggregate fair value of collateral posted on these derivative instruments   41   19   22   22
Aggregate fair value of additional collateral requirements in the event of            
 a credit downgrade below investment grade (a)   214  147   6  6

(a)       Includes the effect of net receivables and payables already recorded on the Balance Sheet.

PPL Energy Supply LLC [Member]
 
Derivative Instruments and Hedging Activities [Line Items]  
Commodity Price Risk (Non-trading) - Economic Activity - Pre-tax Gains (Losses) Associated with Economic Activity

The unrealized gains (losses) for economic activity were as follows.

   2013 2012 2011
           
Operating Revenues         
 Unregulated wholesale energy  $ (721) $ (311) $ 1,407
 Unregulated retail energy   12   (17)   31
Operating Expenses         
 Fuel   (4)   (14)   6
 Energy purchases   586   442   (1,123)
Commodity Volumes - Volumes of Derivative (Sales) Purchase Contracts

At December 31, 2013, the net volumes of derivative (sales)/purchase contracts used in support of the various strategies discussed above were as follows.

    Volumes (a)
Commodity Unit of Measure 2014 2015 2016 Thereafter
           
Power MWh  (33,278,963)  (14,421,817)  4,348,927  18,931,370
Capacity MW-Month  (19,575)  (3,929)  501  9
Gas MMBtu  25,869,617  (33,082,289)  19,082,945  (9,202,403)
Coal Tons  495,900      
FTRs MW-Month  9,581  1,705    
Oil Barrels  150,000  380,869  274,137  101,261

(a)       Volumes for option contracts factor in the probability of an option being exercised and may be less than the notional amount of the option.

Fair Value and Balance Sheet Location of Derivative Instruments

The following tables present the fair value and location of derivative instruments recorded on the Balance Sheets.

       December 31, 2013 December 31, 2012
       Derivatives designated as Derivatives not designated Derivatives designated as Derivatives not designated
       hedging instruments  as hedging instruments  hedging instruments  as hedging instruments
       Assets Liabilities Assets Liabilities Assets Liabilities Assets Liabilities
Current:                        
 Price Risk Management                         
  Assets/Liabilities (a):                        
   Commodity contracts       $ 860 $ 750 $ 59    $ 1,452 $ 1,010
     Total current         860   750   59      1,452   1,010
Noncurrent:                        
 Price Risk Management                         
  Assets/Liabilities (a):                        
   Commodity contracts         328   320   27      530   556
     Total noncurrent         328   320   27      530   556
Total derivatives       $ 1,188 $ 1,070 $ 86    $ 1,982 $ 1,566

(a)       Represents the location on the Balance Sheet.

Pre-tax Gain (Loss) on Derivative Instruments Recognized in Income or on the Balance Sheet

The following tables present the pre-tax effect of derivative instruments recognized in income or OCI. There were no gains (losses) on interest rate swaps for 2013 or 2012.

 Derivatives in Hedged Items in Location of Gain      
 Fair Value Hedging Fair Value Hedging (Loss) Recognized Gain (Loss) Recognized Gain (Loss) Recognized
 Relationships Relationships in Income in Income on Derivative  in Income on Related Item
            
           
            
2011          
 Interest rate swaps Fixed rate debt Interest Expense    $ 2

             Gain (Loss) Recognized
             in Income on Derivative
     Derivative Gain   Gain (Loss) Reclassified (Ineffective Portion and
   Derivative  (Loss) Recognized in Location of Gain (Loss) from AOCI into Income Amount Excluded from
   Relationships  OCI (Effective Portion) Recognized in Income (Effective Portion) Effectiveness Testing)
2013           
 Cash Flow Hedges:           
  Commodity contracts    Unregulated wholesale energy  $ 263 $ 1
        Depreciation   2   
        Energy purchases   (58)   
 Total      $ 207 $ 1
               
2012           
 Cash Flow Hedges:           
  Commodity contracts $ 114 Unregulated wholesale energy  $ 891 $ (1)
        Depreciation   2   
        Energy purchases   (139)   (2)
 Total $ 114   $ 754 $ (3)
               
2011           
 Cash Flow Hedges:           
  Commodity contracts $ 431 Unregulated wholesale energy  $ 835 $ (39)
        Fuel   1   
        Energy purchases   (243)   1
        Depreciation   2   
 Total $ 431   $ 595 $ (38)
             

Derivatives Not Designated as Location of Gain (Loss) Recognized in         
Hedging Instruments  Income on Derivatives  2013  2012  2011
            
Commodity contracts Unregulated wholesale energy  $ (85) $ 1,199 $ 1,600
  Unregulated retail energy   25   30   39
  Fuel   2      (1)
  Energy purchases   130   (965)   (1,493)
  Total $ 72 $ 264 $ 145
Derivative Positions Eligible for Offset with Related Cash Collateral

The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.

     Assets Liabilities
        Eligible for Offset       Eligible for Offset   
           Cash          Cash   
        Derivative Collateral       Derivative Collateral   
     Gross Instruments Received Net Gross Instruments Pledged Net
December 31, 2013                        
PPL                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157
 Treasury Derivatives   91   61      30   174   61   23   90
Total $ 1,279 $ 973 $ 7 $ 299 $ 1,244 $ 973 $ 24 $ 247
                           
PPL Energy Supply                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157

LKE                        
 Treasury Derivatives             $ 36    $ 20 $ 16
                           
LG&E                        
 Treasury Derivatives             $ 36    $ 20 $ 16

December 31, 2012                        
PPL                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144
 Treasury Derivatives   29   19      10   128   19   30   79
Total $ 2,097 $ 1,432 $ 111 $ 554 $ 1,694 $ 1,432 $ 39 $ 223
                           
PPL Energy Supply                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144

LKE                        
 Treasury Derivatives $ 14       $ 14 $ 58    $ 30 $ 28
                           
LG&E                        
 Treasury Derivatives $ 7       $ 7 $ 58    $ 30 $ 28
                           
KU                        
 Treasury Derivatives $ 7       $ 7            
Credit Risk-Related Contingent Features

At December 31, 2013, the effect of a decrease in credit ratings below investment grade on derivative contracts that contain credit risk-related contingent features and were in a net liability position is summarized as follows:

       PPL      
    PPL Energy Supply LKE LG&E
               
Aggregate fair value of derivative instruments in a net liability             
 position with credit risk-related contingent features $ 245 $ 157 $ 26 $ 26
Aggregate fair value of collateral posted on these derivative instruments   41   19   22   22
Aggregate fair value of additional collateral requirements in the event of            
 a credit downgrade below investment grade (a)   214  147   6  6

(a)       Includes the effect of net receivables and payables already recorded on the Balance Sheet.

LG And E And KU Energy LLC [Member]
 
Derivative Instruments and Hedging Activities [Line Items]  
Fair Value and Balance Sheet Location of Derivative Instruments

The following table presents the fair value and the location on the Balance Sheets of derivative instruments designated as cash flow hedges.

       December 31, 2013 December 31, 2012
       Assets Liabilities  Assets Liabilities 
Current:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps        $ 14    

(a)       Represents the location on the Balance Sheet.

The following table presents the fair value and the location on the Balance Sheets of derivatives not designated as hedging instruments.

       December 31, 2013 December 31, 2012 
       Assets Liabilities  Assets Liabilities 
Current:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps    $ 4     $ 5 
     Total current      4       5 
Noncurrent:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps      32       53 
     Total noncurrent      32       53 
Total derivatives    $ 36     $ 58 

(a)       Represents the location on the Balance Sheets.

Pre-tax Gain (Loss) on Derivative Instruments Recognized in Income or on the Balance Sheet

The following table presents the pre-tax effect of derivative instruments designated as cash flow hedges that are recognized in regulatory liabilities.

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Regulatory liabilities - noncurrent $ 72 $ 14   

The following tables present the pre-tax effect of derivatives not designated as cash flow hedges that are recognized in income or regulatory assets.

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Interest Expense $ (8) $ (8) $ (8)
Commodity contracts Operating Revenues         (1)
  Total $ (8) $ (8) $ (9)

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Regulatory assets - noncurrent $ 22 $ 1 $ (26)
Derivative Positions Eligible for Offset with Related Cash Collateral

The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.

     Assets Liabilities
        Eligible for Offset       Eligible for Offset   
           Cash          Cash   
        Derivative Collateral       Derivative Collateral   
     Gross Instruments Received Net Gross Instruments Pledged Net
December 31, 2013                        
PPL                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157
 Treasury Derivatives   91   61      30   174   61   23   90
Total $ 1,279 $ 973 $ 7 $ 299 $ 1,244 $ 973 $ 24 $ 247
                           
PPL Energy Supply                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157

LKE                        
 Treasury Derivatives             $ 36    $ 20 $ 16
                           
LG&E                        
 Treasury Derivatives             $ 36    $ 20 $ 16

December 31, 2012                        
PPL                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144
 Treasury Derivatives   29   19      10   128   19   30   79
Total $ 2,097 $ 1,432 $ 111 $ 554 $ 1,694 $ 1,432 $ 39 $ 223
                           
PPL Energy Supply                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144

LKE                        
 Treasury Derivatives $ 14       $ 14 $ 58    $ 30 $ 28
                           
LG&E                        
 Treasury Derivatives $ 7       $ 7 $ 58    $ 30 $ 28
                           
KU                        
 Treasury Derivatives $ 7       $ 7            
Credit Risk-Related Contingent Features

At December 31, 2013, the effect of a decrease in credit ratings below investment grade on derivative contracts that contain credit risk-related contingent features and were in a net liability position is summarized as follows:

       PPL      
    PPL Energy Supply LKE LG&E
               
Aggregate fair value of derivative instruments in a net liability             
 position with credit risk-related contingent features $ 245 $ 157 $ 26 $ 26
Aggregate fair value of collateral posted on these derivative instruments   41   19   22   22
Aggregate fair value of additional collateral requirements in the event of            
 a credit downgrade below investment grade (a)   214  147   6  6

(a)       Includes the effect of net receivables and payables already recorded on the Balance Sheet.

Louisville Gas And Electric Co [Member]
 
Derivative Instruments and Hedging Activities [Line Items]  
Fair Value and Balance Sheet Location of Derivative Instruments

The following table presents the fair value and the location on the Balance Sheets of derivative instruments designated as cash flow hedges.

       December 31, 2013 December 31, 2012
       Assets Liabilities  Assets Liabilities 
Current:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps        $ 7    

(a)       Represents the location on the balance sheet.

The following table presents the fair value and the location on the Balance Sheets of derivatives not designated as hedging instruments.

       December 31, 2013 December 31, 2012 
       Assets Liabilities  Assets Liabilities 
Current:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps    $ 4     $ 5 
     Total current      4       5 
Noncurrent:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps      32       53 
     Total noncurrent      32       53 
Total derivatives    $ 36     $ 58 

(a)       Represents the location on the Balance Sheets.

Pre-tax Gain (Loss) on Derivative Instruments Recognized in Income or on the Balance Sheet

The following table presents the pre-tax effect of derivative instruments designated as cash flow hedges that are recognized in regulatory liabilities.

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Regulatory liabilities - noncurrent $ 36 $ 7   

The following tables present the pre-tax effect of derivatives not designated as cash flow hedges that are recognized in income or regulatory assets.

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Interest Expense $ (8) $ (8) $ (8)
Commodity contracts Operating Revenues         (1)
  Total $ (8) $ (8) $ (9)

Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Regulatory assets - noncurrent $ 22 $ 1 $ (26)
Derivative Positions Eligible for Offset with Related Cash Collateral

The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.

     Assets Liabilities
        Eligible for Offset       Eligible for Offset   
           Cash          Cash   
        Derivative Collateral       Derivative Collateral   
     Gross Instruments Received Net Gross Instruments Pledged Net
December 31, 2013                        
PPL                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157
 Treasury Derivatives   91   61      30   174   61   23   90
Total $ 1,279 $ 973 $ 7 $ 299 $ 1,244 $ 973 $ 24 $ 247
                           
PPL Energy Supply                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157

LKE                        
 Treasury Derivatives             $ 36    $ 20 $ 16
                           
LG&E                        
 Treasury Derivatives             $ 36    $ 20 $ 16

December 31, 2012                        
PPL                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144
 Treasury Derivatives   29   19      10   128   19   30   79
Total $ 2,097 $ 1,432 $ 111 $ 554 $ 1,694 $ 1,432 $ 39 $ 223
                           
PPL Energy Supply                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144

LKE                        
 Treasury Derivatives $ 14       $ 14 $ 58    $ 30 $ 28
                           
LG&E                        
 Treasury Derivatives $ 7       $ 7 $ 58    $ 30 $ 28
                           
KU                        
 Treasury Derivatives $ 7       $ 7            
Credit Risk-Related Contingent Features

At December 31, 2013, the effect of a decrease in credit ratings below investment grade on derivative contracts that contain credit risk-related contingent features and were in a net liability position is summarized as follows:

       PPL      
    PPL Energy Supply LKE LG&E
               
Aggregate fair value of derivative instruments in a net liability             
 position with credit risk-related contingent features $ 245 $ 157 $ 26 $ 26
Aggregate fair value of collateral posted on these derivative instruments   41   19   22   22
Aggregate fair value of additional collateral requirements in the event of            
 a credit downgrade below investment grade (a)   214  147   6  6

(a)       Includes the effect of net receivables and payables already recorded on the Balance Sheet.

Kentucky Utilities Co [Member]
 
Derivative Instruments and Hedging Activities [Line Items]  
Fair Value and Balance Sheet Location of Derivative Instruments

The following table presents the fair value and the location on the Balance Sheets of derivative instruments designated as cash flow hedges.

       December 31, 2013 December 31, 2012
       Assets Liabilities  Assets Liabilities 
Current:              
 Price Risk Management               
  Assets/Liabilities (a):              
   Interest rate swaps        $ 7    

(a)       Represents the location on the Balance Sheets

Pre-tax Gain (Loss) on Derivative Instruments Recognized in Income or on the Balance Sheet
Derivative Instruments Location of Gain (Loss) 2013 2012 2011
            
Interest rate swaps Regulatory liabilities - noncurrent $ 36 $ 7   
Derivative Positions Eligible for Offset with Related Cash Collateral

The table below summarizes the derivative positions presented in the balance sheets where a right of setoff exists under these arrangements and related cash collateral received or pledged.

     Assets Liabilities
        Eligible for Offset       Eligible for Offset   
           Cash          Cash   
        Derivative Collateral       Derivative Collateral   
     Gross Instruments Received Net Gross Instruments Pledged Net
December 31, 2013                        
PPL                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157
 Treasury Derivatives   91   61      30   174   61   23   90
Total $ 1,279 $ 973 $ 7 $ 299 $ 1,244 $ 973 $ 24 $ 247
                           
PPL Energy Supply                        
 Energy Commodities $ 1,188 $ 912 $ 7 $ 269 $ 1,070 $ 912 $ 1 $ 157

LKE                        
 Treasury Derivatives             $ 36    $ 20 $ 16
                           
LG&E                        
 Treasury Derivatives             $ 36    $ 20 $ 16

December 31, 2012                        
PPL                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144
 Treasury Derivatives   29   19      10   128   19   30   79
Total $ 2,097 $ 1,432 $ 111 $ 554 $ 1,694 $ 1,432 $ 39 $ 223
                           
PPL Energy Supply                        
 Energy Commodities $ 2,068 $ 1,413 $ 111 $ 544 $ 1,566 $ 1,413 $ 9 $ 144

LKE                        
 Treasury Derivatives $ 14       $ 14 $ 58    $ 30 $ 28
                           
LG&E                        
 Treasury Derivatives $ 7       $ 7 $ 58    $ 30 $ 28
                           
KU                        
 Treasury Derivatives $ 7       $ 7