Derivative Instruments and Hedging Activities (Gains and Losses) (Details) (USD $) In Millions, unless otherwise specified
|
3 Months Ended |
9 Months Ended |
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Credit Risk-Related Contingent Features [Abstract] |
|
|
|
|
|
|
|
|
Aggregate fair value of derivative instruments in a net liability position with credit contingent provisions |
225 |
|
|
|
225 |
|
|
|
Aggregate fair value of collateral posted on these derivative instruments |
33 |
|
|
|
33 |
|
|
|
Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade |
201 |
[1] |
|
|
201 |
[1] |
|
|
Fair Value Hedges [Member] | Interest Rate Swaps [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Hedged items in fair value hedging relationships |
Fixed rate debt |
|
Fixed rate debt |
|
Fixed rate debt |
|
Fixed rate debt |
|
Fair Value Hedges [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(1) |
|
|
|
|
|
2 |
|
Gain (loss) recognized in income on related item |
1 |
|
5 |
|
3 |
|
23 |
|
Fair Value Hedges [Member] | Interest Rate Swaps [Member] | Other Income (Expense) Net [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on related item |
|
|
22 |
|
|
|
22 |
|
Cash Flow Hedges [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
112 |
|
151 |
|
545 |
|
415 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
1 |
|
(9) |
|
(3) |
|
(43) |
|
Cash Flow Hedges [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(55) |
|
60 |
|
68 |
|
78 |
|
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(6) |
|
(52) |
|
(28) |
|
(51) |
|
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(4) |
|
(4) |
|
(13) |
|
(10) |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
(13) |
|
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Other Income (Expense) Net [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
1 |
|
|
|
1 |
|
|
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(49) |
|
46 |
|
(3) |
|
13 |
|
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
|
|
(1) |
|
3 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Other Income (Expense) Net [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(40) |
|
32 |
|
(12) |
|
49 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
|
|
66 |
|
99 |
|
116 |
|
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Wholesale Energy Marketing [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
174 |
|
163 |
|
673 |
|
530 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
(9) |
|
(1) |
|
(31) |
|
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Fuel [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
1 |
|
|
|
1 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Depreciation [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
1 |
|
1 |
|
2 |
|
1 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(20) |
|
(42) |
|
(105) |
|
(159) |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
1 |
|
|
|
(2) |
|
1 |
|
Derivatives Not Designated As Hedging Instruments [Member]
|
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|
|
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|
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|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(168) |
|
(12) |
|
171 |
|
77 |
|
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gains (losses) recognized as regulatory asset on derivative |
|
|
(22) |
|
|
|
(23) |
|
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
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|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gains (losses) recognized as regulatory asset on derivative |
(9) |
|
|
|
(3) |
|
|
|
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
|
(4) |
|
(6) |
|
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Wholesale Energy Marketing [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(476) |
|
193 |
|
900 |
|
167 |
|
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Fuel [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
6 |
|
(27) |
|
|
|
(12) |
|
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
364 |
|
(192) |
|
(717) |
|
(156) |
|
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Retail Electric And Gas [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(3) |
|
6 |
|
20 |
|
11 |
|
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Net Energy Trading Margins [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(10) |
[2] |
(2) |
[2] |
12 |
[2] |
9 |
[2] |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Utility [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
1 |
|
|
|
(2) |
|
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Other Income (Expense) Net [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(47) |
|
11 |
|
(40) |
|
66 |
|
Net Investment Hedges [Member] | Foreign Currency Contracts [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(4) |
|
5 |
|
(5) |
|
4 |
|
PPL Energy Supply LLC [Member]
|
|
|
|
|
|
|
|
|
Credit Risk-Related Contingent Features [Abstract] |
|
|
|
|
|
|
|
|
Aggregate fair value of derivative instruments in a net liability position with credit contingent provisions |
127 |
|
|
|
127 |
|
|
|
Aggregate fair value of collateral posted on these derivative instruments |
1 |
|
|
|
1 |
|
|
|
Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade |
134 |
[1] |
|
|
134 |
[1] |
|
|
PPL Energy Supply LLC [Member] | Fair Value Hedges [Member] | Interest Rate Swaps [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Hedged items in fair value hedging relationships |
|
|
Fixed rate debt |
|
|
|
Fixed rate debt |
|
PPL Energy Supply LLC [Member] | Fair Value Hedges [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on related item |
|
|
|
|
|
|
1 |
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
154 |
|
123 |
|
569 |
|
373 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
1 |
|
(9) |
|
(3) |
|
(30) |
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
|
|
66 |
|
99 |
|
116 |
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
|
|
66 |
|
99 |
|
116 |
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Wholesale Energy Marketing [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
174 |
|
163 |
|
673 |
|
530 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
(9) |
|
(1) |
|
(31) |
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Fuel [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
1 |
|
|
|
1 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Depreciation [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
1 |
|
1 |
|
1 |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
|
|
|
|
|
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(20) |
|
(42) |
|
(105) |
|
(159) |
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
1 |
|
|
|
(2) |
|
1 |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(119) |
|
(22) |
|
215 |
|
19 |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Wholesale Energy Marketing [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(476) |
|
193 |
|
900 |
|
167 |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Fuel [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
6 |
|
(27) |
|
|
|
(12) |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
364 |
|
(192) |
|
(717) |
|
(156) |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Retail Electric And Gas [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(3) |
|
6 |
|
20 |
|
11 |
|
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Net Energy Trading Margins [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(10) |
[3] |
(2) |
[3] |
12 |
[3] |
9 |
[3] |
LG And E And KU Energy LLC [Member]
|
|
|
|
|
|
|
|
|
Credit Risk-Related Contingent Features [Abstract] |
|
|
|
|
|
|
|
|
Aggregate fair value of derivative instruments in a net liability position with credit contingent provisions |
40 |
|
|
|
40 |
|
|
|
Aggregate fair value of collateral posted on these derivative instruments |
32 |
|
|
|
32 |
|
|
|
Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade |
9 |
[1] |
|
|
9 |
[1] |
|
|
LG And E And KU Energy LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
(1) |
|
|
|
(8) |
|
LG And E And KU Energy LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gains (losses) recognized as regulatory asset on derivative |
1 |
|
(22) |
|
(2) |
|
(23) |
|
LG And E And KU Energy LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
|
(6) |
|
(6) |
|
LG And E And KU Energy LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Operating Revenues [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
1 |
|
|
|
(2) |
|
Louisville Gas And Electric Co [Member]
|
|
|
|
|
|
|
|
|
Credit Risk-Related Contingent Features [Abstract] |
|
|
|
|
|
|
|
|
Aggregate fair value of derivative instruments in a net liability position with credit contingent provisions |
40 |
|
|
|
40 |
|
|
|
Aggregate fair value of collateral posted on these derivative instruments |
32 |
|
|
|
32 |
|
|
|
Aggregate fair value of additional collateral requirements in the event of a credit downgrade below investment grade |
9 |
[1] |
|
|
9 |
[1] |
|
|
Louisville Gas And Electric Co [Member] | Derivatives Not Designated As Hedging Instruments [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
(1) |
|
|
|
(8) |
|
Louisville Gas And Electric Co [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gains (losses) recognized as regulatory asset on derivative |
1 |
|
(22) |
|
(2) |
|
(23) |
|
Louisville Gas And Electric Co [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
|
(6) |
|
(6) |
|
Louisville Gas And Electric Co [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Operating Revenues [Member]
|
|
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Assets [Abstract] |
|
|
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
1 |
|
|
|
(2) |
|
|
|