Derivative Instruments (Tables)
| 9 Months Ended |
|---|
Sep. 30, 2011 |
|---|
| Derivative Instruments [Abstract] | |
| Notional amounts table | | | | | | | | | | | | Notional Amounts | | | | September 30, 2011 | | | December 31, 2010 | | Derivative Instruments | | | | | | | | | Power (MWh) | | | (38 | ) | | | (50 | ) | Natural gas (MMBtu) | | | 124 | | | | 31 | | Interest rate swaps(1) | | $ | 5,448 | | | $ | 6,171 | |
_________ (1) | Approximately $4.1 billion and $3.3 billion at September 30, 2011 and December 31, 2010, respectively, related to variable rate debt that was converted to fixed rate debt in 2011 and 2010. |
|
| Fair value of derivative instruments table | | | | | | | | | | | | | | | | September 30, 2011 | | | | Interest Rate Swaps | | | Commodity Instruments | | | Total Derivative Instruments | | Balance Sheet Presentation | | | | | | | | | | | | | Current derivative assets | | $ | — | | | $ | 690 | | | $ | 690 | | Long-term derivative assets | | | 9 | | | | 125 | | | | 134 | | Total derivative assets | | $ | 9 | | | $ | 815 | | | $ | 824 | | | | | | | | | | | | | | | Current derivative liabilities | | $ | 190 | | | $ | 589 | | | $ | 779 | | Long-term derivative liabilities | | | 171 | | | | 132 | | | | 303 | | Total derivative liabilities | | $ | 361 | | | $ | 721 | | | $ | 1,082 | | Net derivative assets (liabilities) | | $ | (352 | ) | | $ | 94 | | | $ | (258 | ) |
|
| Fair value of derivative instruments table | | | | | | | | | | | | | | | | December 31, 2010 | | | | Interest Rate Swaps | | | Commodity Instruments | | | Total Derivative Instruments | | Balance Sheet Presentation | | | | | | | | | | | | | Current derivative assets | | $ | — | | | $ | 725 | | | $ | 725 | | Long-term derivative assets | | | 4 | | | | 166 | | | | 170 | | Total derivative assets | | $ | 4 | | | $ | 891 | | | $ | 895 | | | | | | | | | | | | | | | Current derivative liabilities | | $ | 197 | | | $ | 521 | | | $ | 718 | | Long-term derivative liabilities | | | 174 | | | | 196 | | | | 370 | | Total derivative liabilities | | $ | 371 | | | $ | 717 | | | $ | 1,088 | | Net derivative assets (liabilities) | | $ | (367 | ) | | $ | 174 | | | $ | (193 | ) |
|
| Derivative instrument by accounting designation table | | | | | | | | | | | | | | | | | | | | September 30, 2011 | | | December 31, 2010 | | | | Fair Value of Derivative Assets | | | Fair Value of Derivative Liabilities | | | Fair Value of Derivative Assets | | | Fair Value of Derivative Liabilities | | Derivatives designated as cash flow hedging instruments: | | | | | | | | | | | | | | | | | Interest rate swaps | | $ | 9 | | | $ | 140 | | | $ | 2 | | | $ | 143 | | Commodity instruments | | | 98 | | | | 18 | | | | 161 | | | | 52 | | Total derivatives designated as cash flow hedging instruments | | $ | 107 | | | $ | 158 | | | $ | 163 | | | $ | 195 | | | | | | | | | | | | | | | | | | | Derivatives not designated as hedging instruments: | | | | | | | | | | | | | | | | | Interest rate swaps | | $ | — | | | $ | 221 | | | $ | 2 | | | $ | 228 | | Commodity instruments | | | 717 | | | | 703 | | | | 730 | | | | 665 | | Total derivatives not designated as hedging instruments | | $ | 717 | | | $ | 924 | | | $ | 732 | | | $ | 893 | | Total derivatives | | $ | 824 | | | $ | 1,082 | | | $ | 895 | | | $ | 1,088 | |
|
| Realized / Unrealized gain loss by instrument table | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | | Nine Months Ended September 30, | | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | Realized gain (loss) | | | | | | | | | | | | | | | | | Interest rate swaps | | $ | (44 | ) | | $ | (14 | ) | | $ | (150 | ) | | $ | (26 | ) | Commodity derivative instruments | | | 65 | | | | 41 | | | | 117 | | | | 93 | | Total realized gain (loss) | | $ | 21 | | | $ | 27 | | | $ | (33 | ) | | $ | 67 | | | | | | | | | | | | | | | | | | | Unrealized gain (loss)(1) | | | | | | | | | | | | | | | | | Interest rate swaps | | $ | 43 | | | $ | (96 | ) | | $ | 5 | | | $ | (115 | ) | Commodity derivative instruments | | | (8 | ) | | | 131 | | | | (47 | ) | | | 212 | | Total unrealized gain (loss) | | $ | 35 | | | $ | 35 | | | $ | (42 | ) | | $ | 97 | | Total mark-to-market activity | | $ | 56 | | | $ | 62 | | | $ | (75 | ) | | $ | 164 | |
_________ (1) | Changes in unrealized gain (loss) include de-designation of interest rate swap cash flow hedges and related reclassification from AOCI into income, hedge ineffectiveness and adjustments to reflect changes in credit default risk exposure. |
|
| Realized and unrealized gain loss by Income Statement line item table | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | | Nine Months Ended September 30, | | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | Realized and unrealized gain (loss) | | | | | | | | | | | | | | | | | Power contracts included in operating revenues | | $ | 18 | | | $ | 22 | | | $ | 9 | | | $ | 34 | | Natural gas contracts included in fuel and purchased energy expense | | | 39 | | | | 150 | | | | 61 | | | | 271 | | Interest rate swaps included in interest expense | | | 2 | | | | (26 | ) | | | 4 | | | | (54 | ) | Gain (loss) on interest rate derivatives, net | | | (3 | ) | | | (84 | ) | | | (149 | ) | | | (87 | ) | Total mark-to-market activity | | $ | 56 | | | $ | 62 | | | $ | (75 | ) | | $ | 164 | |
|
| Derivatives designated as hedges activity table | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | | | Gain (Loss) Recognized in OCI (Effective Portion) | | | Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)(2) | | | Gain (Loss) Reclassified from AOCI Into Income (Ineffective Portion) | | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | Interest rate swaps | | $ | (103 | ) | | $ | 45 | | | $ | (7 | ) | | $ | (50 | ) | | $ | (1 | ) | | $ | — | | Commodity derivative instruments | | | 9 | | | | 8 | | | | 27 | | | | 62 | | | | (1 | ) | | | (1 | ) | Total | | $ | (94 | ) | | $ | 53 | | | $ | 20 | | | $ | 12 | | | $ | (2 | ) | | $ | (1 | ) |
|
| Derivatives designated as hedges activity table | | | | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, | | | | Gain (Loss) Recognized in OCI (Effective Portion) | | | Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)(2) | | | Gain (Loss) Reclassified from AOCI Into Income (Ineffective Portion) | | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | | 2011 | | | 2010 | | Interest rate swaps | | $ | (9 | ) | | $ | 18 | | | $ | (130 | )(4) | | $ | (172 | ) | | $ | (2 | ) | | $ | — | | Commodity derivative instruments | | | (27 | ) | | | 87 | | | | 106 | (1) | | | 162 | | | | — | | | | — | | Total | | $ | (36 | ) | | $ | 105 | | | $ | (24 | ) | | $ | (10 | ) | | $ | (2 | ) | | $ | — | |
_________ (1) | Included in operating revenues and fuel and purchased energy expense on our Consolidated Condensed Statements of Operations. |
(2) | Cumulative cash flow hedge losses remaining in AOCI were $140 million and $122 million at September 30, 2011 and December 31, 2010, respectively. |
(3) | Reclassification of losses from OCI to earnings for the three months ended September 30, 2011, consisted of $7 million in losses from the reclassification of interest rate contracts due to settlement. |
(4) | Reclassification of losses from OCI to earnings for the nine months ended September 30, 2011 consisted of $24 million in losses from the reclassification of interest rate contracts due to settlement, $15 million in losses from terminated interest rate contracts due to the repayment of project debt in June 2011, and $91 million in losses from existing interest rate contracts reclassified from OCI into earnings due to the refinance of variable rate First Lien Credit Facility term loans. |
|