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Derivative Instruments and Hedging Activities (Tables) | 12 Months Ended
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Dec. 31, 2012
Derivative Instruments And Hedging Activities Tables [Abstract] |
Interest Rate Derivatives By Type Table |
|  |  | December 31, 2012
|  |  | Current |  | Maximum(1) |  |  |  |
|  |  |  |  | Derivative |  |  |  | Derivative |  | Weighted |  | % of Debt
|  |  |  |  | Notional |  |  |  | Notional |  | Average |  | Currently
|  |  | Derivative |  | Translated |  | Derivative |  | Translated |  | Remaining |  | Hedged
Interest Rate and Cross Currency(1) |  | Notional |  | to USD |  | Notional |  | to USD |  | Term |  | by Index(2)
|  |  | (in millions) |  | (in years) |  |
Interest Rate Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR (U.S. Dollar) |  | 3,413 |  | $ | 3,413 |  | 4,272 |  | $ | 4,272 |  | 10 |  | 70%
EURIBOR (Euro) |  | 611 |  |  | 807 |  | 611 |  |  | 807 |  | 9 |  | 64%
LIBOR (British Pound Sterling) |  | 67 |  |  | 109 |  | 69 |  |  | 112 |  | 12 |  | 86%
Cross Currency Swaps: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Chilean Unidad de Fomento |  | 6 |  |  | 267 |  | 6 |  |  | 267 |  | 9 |  | 85%
Foreign Currency Forwards By Type Table |
|  |  | December 31, 2012
|  |  |  |  |  |  |  | Weighted
|  |  |  | Notional |  |  | Average
|  |  |  | Translated |  |  | Remaining
Foreign Currency Derivatives |  | Notional(1) | to USD |  |  | Term(2)
|  | (in millions) |  |  | (in years)
Foreign Currency Options and Forwards: |  |  |  |  |  |  |
Euro |  | 98 | $ | 126 |  |  | <1
Chilean Peso |  | 52,575 |  | 108 |  |  | <1
Brazilian Real |  | 175 |  | 83 |  |  | <1
Colombian Peso |  | 89,928 |  | 49 |  |  | <1
British Pound |  | 17 |  | 27 |  |  | <1
Argentine Peso |  | 118 |  | 20 |  |  | 1
Embedded Foreign Currency Derivatives: |  |  |  |  |  |  |
Argentine Peso |  | 849 |  | 173 |  |  | 11
Kazakhstani Tenge |  | 1,195 |  | 8 |  |  | 4
Euro |  | 2 |  | 2 |  |  | 11
Commodity Non Hedge Derivatives By Type Table |
|  | December 31, 2012
|  |  |  | Weighted Average
Commodity Derivatives |  | Notional |  | Remaining Term(1)
|  | (in millions) |  | (in years)
Aluminum (MWh)(2) |  | 14 |  | 7
Power (MWh) |  | 4 |  | 3
Fair Value Hierarchy Derivative Assets Liabilities By Balance Sheet Classification Table |
|  |  |  |  | December 31, 2012 |  | December 31, 2011
|  |  |  |  | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
|  |  |  |  | (in millions) |  | (in millions)
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest rate derivatives |  | $ | - |  | $ | 2 |  | $ | - |  | $ | 2 |  | $ | - |  | $ | - |  | $ | - |  | $ | -
| Cross currency derivatives |  |  | - |  |  | 6 |  |  | - |  |  | 6 |  |  | - |  |  | - |  |  | 1 |  |  | 1
| Foreign currency derivatives |  |  | - |  |  | 2 |  |  | 79 |  |  | 81 |  |  | - |  |  | 27 |  |  | 62 |  |  | 89
| Commodity and other derivatives |  |  | - |  |  | 8 |  |  | 3 |  |  | 11 |  |  | 2 |  |  | 25 |  |  | 3 |  |  | 30
|  |  | Total assets |  | $ | - |  |  | 18 |  | $ | 82 |  | $ | 100 |  | $ | 2 |  | $ | 52 |  | $ | 66 |  | $ | 120
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest rate derivatives |  | $ | - |  | $ | 153 |  | $ | 412 |  | $ | 565 |  | $ | - |  | $ | 431 |  | $ | 128 |  | $ | 559
| Cross currency derivatives |  |  | - |  |  | 6 |  |  | - |  |  | 6 |  |  | - |  |  | - |  |  | 19 |  |  | 19
| Foreign currency derivatives |  |  | - |  |  | 7 |  |  | 7 |  |  | 14 |  |  | - |  |  | 15 |  |  | 11 |  |  | 26
| Commodity and other derivatives |  |  | - |  |  | 13 |  |  | 59 |  |  | 72 |  |  | - |  |  | 30 |  |  | 56 |  |  | 86
|  |  | Total liabilities |  | $ | - |  | $ | 179 |  | $ | 478 |  | $ | 657 |  | $ | - |  | $ | 476 |  | $ | 214 |  | $ | 690
Derivative Assets Liabilities At Fair Value Net By Balance Sheet Classification And Type Table |
|  |  |  |  | December 31, 2012 |  | December 31, 2011
|  |  |  |  |  |  | Not |  |  |  |  |  | Not |  |
|  |  |  |  | Designated |  | Designated |  |  |  |  | Designated |  | Designated |  |  |
|  |  |  |  | as Hedging |  | as Hedging |  |  |  | as Hedging |  | as Hedging |  |
|  |  |  |  | Instruments |  | Instruments |  | Total |  | Instruments |  | Instruments |  | Total
|  |  |  |  | (in millions) |  |  |  |  | (in millions) |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest rate derivatives |  | $ | - |  | $ | 2 |  | $ | 2 |  | $ | - |  | $ | - |  | $ | -
| Cross currency derivatives |  |  | 6 |  |  | - |  |  | 6 |  |  | 1 |  |  | - |  |  | 1
| Foreign currency derivatives |  |  | - |  |  | 81 |  |  | 81 |  |  | 13 |  |  | 76 |  |  | 89
| Commodity and other derivatives |  |  | 2 |  |  | 9 |  |  | 11 |  |  | 2 |  |  | 28 |  |  | 30
Total assets |  | $ | 8 |  | $ | 92 |  | $ | 100 |  | $ | 16 |  | $ | 104 |  | $ | 120
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Interest rate derivatives |  | $ | 544 |  | $ | 21 |  | $ | 565 |  | $ | 535 |  | $ | 24 |  | $ | 559
| Cross currency derivatives |  |  | 6 |  |  | - |  |  | 6 |  |  | 19 |  |  | - |  |  | 19
| Foreign currency derivatives |  |  | 7 |  |  | 7 |  |  | 14 |  |  | 1 |  |  | 25 |  |  | 26
| Commodity and other derivatives |  |  | 8 |  |  | 64 |  |  | 72 |  |  | 3 |  |  | 83 |  |  | 86
Total liabilities |  | $ | 565 |  | $ | 92 |  | $ | 657 |  | $ | 558 |  | $ | 132 |  | $ | 690
Gain Loss In Accumulated Other Comprehensive Income And Earnings On Effective Portion Of Qualifying Cash Flow Hedges Table |
|  |  | Gains (Losses) |  |  |  |  | Gains (Losses) Reclassified
|  |  | Recognized in AOCL |  | Consolidated |  | from AOCL into Earnings
|  |  | 2012 |  | 2011 |  | 2010 |  | Statement of Operations |  | 2012 |  | 2011 |  | 2010
|  |  | (in millions) |  |  |  |  | (in millions)
Interest rate derivatives |  | $ | (175) |  | $ | (475) |  | $ | (288) |  | Interest expense |  | $ | (135) |  | $ | (125) |  | $ | (110)
|  |  |  |  |  |  |  |  |  |  |  | Non-regulated cost of sales |  |  | (6) |  |  | (3) |  |  | (3)
|  |  |  |  |  |  |  |  |  |  |  | Net equity in earnings of |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  | affiliates |  |  | (7) |  |  | (4) |  |  | (1)
|  |  |  |  |  |  |  |  |  |  |  | Income (loss) from |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  | discontinued operations |  |  | - |  |  | - |  |  | (113)
|  |  |  |  |  |  |  |  |  |  |  | Asset impairment expense |  |  | (6) |  |  | - |  |  | -
|  |  |  |  |  |  |  |  |  |  |  | Gain on sale of investments |  |  | (96) |  |  | - |  |  | -
Cross currency derivatives |  |  | 4 |  |  | (36) |  |  | 15 |  | Interest expense |  |  | (12) |  |  | (10) |  |  | (4)
|  |  |  |  |  |  |  |  |  |  |  | Foreign currency transaction |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  | gains (losses) |  |  | 26 |  |  | (16) |  |  | 25
Foreign currency derivatives |  |  | 10 |  |  | 24 |  |  | (16) |  | Foreign currency transaction |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  | gains (losses) |  |  | 5 |  |  | 1 |  |  | (8)
Commodity and other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| derivatives |  |  | (8) |  |  | - |  |  | (9) |  | Non-regulated revenue |  |  | (2) |  |  | - |  |  | 1
|  |  |  |  |  |  |  |  |  |  |  | Non-regulated cost of sales |  |  | - |  |  | (2) |  |  | -
|  |  |  |  |  |  |  |  |  |  |  | Income (loss) from |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  | discontinued operations |  |  | - |  |  | - |  |  | 10
Total |  | $ | (169) |  | $ | (487) |  | $ | (298) |  |  |  |  | $ | (233) |  | $ | (159) |  | $ | (203)
Gain Loss In Earnings On Ineffective Portion Of Qualifying Cash Flow Hedges Table |
|  |  |  |  | Gains (Losses)
|  | Classification in |  | Recognized in Earnings
|  | Consolidated Statement of Operations |  | 2012 |  | 2011 |  | 2010
|  |  |  |  | (in millions)
Interest rate derivatives |  | Interest expense |  | $ | (2) |  | $ | (6) |  | $ | (15)
|  | Net equity in earnings of affiliates |  |  | (1) |  |  | (2) |  |  | -
Cross currency derivatives |  | Interest expense |  |  | (1) |  |  | (4) |  |  | 5
Total |  |  |  |  | $ | (4) |  | $ | (12) |  | $ | (10)
Gain Loss In Earnings On Non Hedging Instruments Table |
|  | Classification |  | Gains (Losses)
|  | in Consolidated |  | Recognized in Earnings
|  | Statement of Operations |  | 2012 |  | 2011 |  | 2010
|  |  |  |  | (in millions)
Interest rate derivatives |  | Interest expense |  | $ | (5) |  | $ | (4) |  | $ | (9)
Foreign currency derivatives |  | Foreign currency transaction |  |  |  |  |  |  |  |  |
|  |  | gains (losses) |  |  | (141) |  |  | 60 |  |  | (35)
|  | Net equity in earnings of affiliates |  |  | - |  |  | - |  |  | (2)
Commodity and other derivatives |  | Non-regulated revenue |  |  | 20 |  |  | (63) |  |  | 29
|  | Regulated revenue |  |  | (10) |  |  | 1 |  |  | -
|  | Non-regulated cost of sales |  |  | 2 |  |  | (9) |  |  | 5
|  | Regulated cost of sales |  |  | (15) |  |  | (5) |  |  | -
Total |  |  |  |  | $ | (149) |  | $ | (20) |  | $ | (12)

X
- Definition This element represents a table which sets forth, by type of commodity, the outstanding notionals and weighted average remaining terms of the commodity derivatives (excluding Eastern Energy, which is presented separately) and embedded derivative instruments at the balance sheet date. + References No definition available. + Details
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- Definition This element represents a table which sets forth, by type of foreign currency denomination, the outstanding notionals over the remaining terms of the foreign currency forward derivative instruments at the balance sheet date, regardless of whether the derivative instruments are in qualifying hedging relationships. + References No definition available. + Details
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- Definition This element represents tables which set forth, by type of derivative instrument, the gains (losses) recognized in accumulated other comprehensive income (loss) and earnings and the income statement classification related to the effective portion of derivative instruments in qualifying cash flow hedging relationships for the periods indicated. + References No definition available. + Details
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- Definition This element represents tables which set forth, by type of derivative instrument, the gains (losses) recognized in earnings and the income statement classification related to the ineffective portion of derivative instruments in qualifying cash flow hedging relationships for the periods indicated. + References No definition available. + Details
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- Definition This element represents a table which sets forth, by type of interest rate derivative, the current and maximum outstanding notional, weighted average remaining term and percentage of variable-rate debt hedged at the balance sheet date, regardless of whether the derivative instruments are in qualifying cash flow hedging relationships. + References No definition available. + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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