Derivative Instruments and Hedging Activities (Gains and Losses) (Details) (USD $) In Millions, unless otherwise specified
|
3 Months Ended |
9 Months Ended |
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
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Sep. 30, 2013
|
Cash Flow Hedges [Member]
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
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|
|
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Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
$ 15 |
|
$ 17 |
$ 0 |
|
$ 190 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
2 |
|
1 |
Cash Flow Hedges [Member] | Other Comprehensive Income [Member]
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
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|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(7) |
|
(11) |
(83) |
|
118 |
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Other Comprehensive Income [Member]
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
(5) |
|
25 |
(65) |
|
102 |
Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(5) |
|
(5) |
(14) |
|
(14) |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
2 |
|
0 |
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Other Comprehensive Income [Member]
|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
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|
|
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Gain (loss) recognized in OCI on derivative (effective portion) |
(2) |
|
(36) |
(18) |
|
16 |
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Interest Expense [Member]
|
|
|
|
|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
0 |
|
(1) |
1 |
|
0 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
Cash Flow Hedges [Member] | Cross Currency Swaps [Member] | Other Income (Expense) Net [Member]
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
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|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
12 |
|
(25) |
(17) |
|
45 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Unregulated Wholesale Energy [Member]
|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
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|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(2) |
|
54 |
(1) |
|
178 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
1 |
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Depreciation [Member]
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
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|
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Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
1 |
|
1 |
2 |
|
2 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
8 |
|
(11) |
23 |
|
(41) |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
Cash Flow Hedges [Member] | Commodity Contracts [Member] | Discontinued Operations [Member]
|
|
|
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|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
1 |
|
4 |
6 |
|
20 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
Net Investment Hedges [Member] | Foreign Currency Contracts [Member] | Other Comprehensive Income [Member]
|
|
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|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
25 |
|
(22) |
7 |
|
(5) |
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
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Gain (loss) recognized as regulatory liabilities/assets |
(4) |
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|
(4) |
|
|
Derivatives Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Liabilities Noncurrent [Member]
|
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|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
6 |
|
12 |
6 |
|
70 |
Derivatives Not Designated As Hedging Instruments [Member]
|
|
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|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
256 |
|
(80) |
(582) |
|
73 |
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
0 |
|
2 |
(6) |
|
18 |
Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Interest Expense [Member]
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|
|
|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
(6) |
|
(6) |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Wholesale Energy [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
617 |
[1] |
114 |
(2,520) |
[1] |
139 |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Fuel [Member]
|
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|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(8) |
|
4 |
(1) |
|
2 |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
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Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(505) |
[2] |
(86) |
1,937 |
[2] |
(99) |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Retail Energy [Member]
|
|
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|
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|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
18 |
|
3 |
(34) |
|
18 |
Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Discontinued Operations [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
2 |
|
4 |
4 |
|
13 |
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Contracts [Member] | Other Income (Expense) Net [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
134 |
|
(117) |
38 |
|
6 |
PPL Energy Supply LLC [Member] | Commodity Contracts [Member] | Discontinued Operations [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
4 |
|
|
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
0 |
|
|
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member]
|
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|
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|
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|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
7 |
|
48 |
29 |
|
159 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
1 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
|
|
0 |
|
|
0 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Other Comprehensive Income [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in OCI on derivative (effective portion) |
|
|
0 |
|
|
0 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Unregulated Wholesale Energy [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
|
|
54 |
|
|
178 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
|
|
0 |
|
|
1 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Depreciation [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
0 |
|
1 |
1 |
|
2 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Energy Purchases [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
8 |
|
(11) |
23 |
|
(41) |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
0 |
0 |
|
0 |
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Unregulated Retail Energy [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
(2) |
|
|
(1) |
|
|
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
|
0 |
|
|
PPL Energy Supply LLC [Member] | Cash Flow Hedges [Member] | Commodity Contracts [Member] | Discontinued Operations [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) reclassified from AOCI into income on derivative (effective portion) |
1 |
|
|
6 |
|
20 |
Gain (loss) recognized in income on derivative (ineffective portion and amount excluded from effectiveness testing) |
0 |
|
|
0 |
|
0 |
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
124 |
|
39 |
(614) |
|
73 |
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Wholesale Energy [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
617 |
[1] |
114 |
(2,520) |
[1] |
139 |
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Fuel [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(8) |
|
4 |
(1) |
|
2 |
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 Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(505) |
[2] |
(86) |
1,937 |
[2] |
(99) |
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Unregulated Retail Energy [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
18 |
|
3 |
(34) |
|
18 |
PPL Energy Supply LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] | Discontinued Operations [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
2 |
|
4 |
4 |
|
13 |
LG And E And KU Energy LLC [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
(4) |
|
|
(4) |
|
|
LG And E And KU Energy LLC [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Liabilities Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
6 |
|
12 |
6 |
|
70 |
LG And E And KU Energy LLC [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
2 |
(6) |
|
18 |
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 Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
(6) |
|
(2) |
Louisville Gas And Electric Co [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
(2) |
|
|
(2) |
|
|
Louisville Gas And Electric Co [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Liabilities Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
3 |
|
6 |
3 |
|
35 |
Louisville Gas And Electric Co [Member] | Derivatives Not Designated As Hedging Instruments [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
|
|
2 |
(6) |
|
18 |
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 Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized in income on derivative |
(2) |
|
(2) |
(6) |
|
(6) |
Kentucky Utilities Co [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Assets Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
(2) |
|
|
(2) |
|
|
Kentucky Utilities Co [Member] | Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Swaps [Member] | Regulatory Liabilities Noncurrent [Member]
|
|
|
|
|
|
|
Amounts Included in Income, OCI or Regulatory Liabilities/Assets [Abstract] |
|
|
|
|
|
|
Gain (loss) recognized as regulatory liabilities/assets |
$ 3 |
|
$ 6 |
$ 3 |
|
$ 35 |
|
|