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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Taxes Tables [Abstract] |
Income Tax Expense On Continuing Operations |
|  |  | December 31,
|  |  | 2012 |  | 2011 |  | 2010
|  |  | (in millions)
| Federal: |  |  |  |  |  |  |  |  |
| Current |  | $ | - |  | $ | - |  | $ | (8)
| Deferred |  |  | 24 |  |  | (150) |  |  | (125)
| State: |  |  |  |  |  |  |  |  |
| Current |  |  | (2) |  |  | 1 |  |  | 1
| Deferred |  |  | (11) |  |  | 1 |  |  | (19)
| Foreign: |  |  |  |  |  |  |  |  |
| Current |  |  | 562 |  |  | 852 |  |  | 678
| Deferred |  |  | 135 |  |  | (70) |  |  | 66
| Total |  | $ | 708 |  | $ | 634 |  | $ | 593
Reconciliation Of US Federal Income Tax Rates And AES Effective Tax Rate For The Current And Two Prior Years |
|  |  | December 31,
|  |  | 2012 |  | 2011 |  | 2010
| Statutory Federal tax rate |  | 35% |  | 35% |  | 35%
| State taxes, net of Federal tax benefit |  | -15% |  | 0% |  | -3%
| Taxes on foreign earnings |  | -21% |  | -3% |  | -2%
| Valuation allowance |  | 13% |  | -3% |  | 0%
| Gain (loss) on sale of businesses |  | 0% |  | 0% |  | 4%
| Chilean withholding tax reversals |  | 0% |  | 0% |  | -3%
| Change in tax law |  | 13% |  | 0% |  | 0%
| DPL goodwill impairment |  | 203% |  | 0% |  | 0%
| Other - net |  | -3% |  | 0% |  | 0%
| Effective tax rate |  | 225% |  | 29% |  | 31%
Schedule Of Income Tax Payable And Receivable |
|  |  | December 31,
|  |  | 2012 |  | 2011
|  |  | (in millions)
| Income taxes receivable - current |  | $ | 296 |  | $ | 563
| Income taxes receivable - noncurrent |  |  | 15 |  |  | 21
| Total income taxes receivable |  | $ | 311 |  | $ | 584
| Income taxes payable - current |  | $ | 405 |  | $ | 759
| Income taxes payable - noncurrent |  |  | 2 |  |  | 3
| Total income taxes payable |  | $ | 407 |  | $ | 762
Summary Of Deferred Tax Assets And Liabilities |
|  |  | December 31,
|  |  | 2012 |  | 2011
|  |  | (in millions)
| Differences between book and tax basis of property |  | $ | (2,067) |  | $ | (1,909)
| Cumulative translation adjustment |  |  | (43) |  |  | (39)
| Other taxable temporary differences |  |  | (419) |  |  | (321)
| Total deferred tax liability |  |  | (2,529) |  |  | (2,269)
| Operating loss carryforwards |  |  | 1,604 |  |  | 1,481
| Capital loss carryforwards |  |  | 108 |  |  | 112
| Bad debt and other book provisions |  |  | 358 |  |  | 463
| Retirement costs |  |  | 619 |  |  | 360
| Tax credit carryforwards |  |  | 46 |  |  | 46
| Other deductible temporary differences |  |  | 555 |  |  | 516
| Total gross deferred tax asset |  |  | 3,290 |  |  | 2,978
| Less: valuation allowance |  |  | (906) |  |  | (901)
| Total net deferred tax asset |  |  | 2,384 |  |  | 2,077
| Net deferred tax asset/(liability) |  | $ | (145) |  | $ | (192)
Income Before Income Taxes, Foreign And Domestic |
|  |  | December 31,
|  |  | 2012 |  | 2011 |  | 2010
|  |  | (in millions)
| U.S. |  | $ | (1,915) |  | $ | (526) |  | $ | (539)
| Non-U.S. |  |  | 2,229 |  |  | 2,737 |  |  | 2,429
| Total |  | $ | 314 |  | $ | 2,211 |  | $ | 1,890
Tax Years Potentially Subject To Examination And Jurisdictions |
| Jurisdiction |  | Tax Years Subject to Examination
| Argentina |  | 2006-2012
| Brazil |  | 2007-2012
| Cameroon |  | 2008-2012
| Chile |  | 2009-2012
| Colombia |  | 2010-2012
| El Salvador |  | 2009-2012
| United Kingdom |  | 2009-2012
| United States (Federal) |  | 1994-2012
Unrecognized Tax Benefits |
|  |  | 2012 |  | 2011 |  | 2010
|  |  | (in millions)
| Balance at January 1 |  | $ | 471 |  | $ | 437 |  | $ | 510
| Additions for current year tax positions |  |  | 12 |  |  | 7 |  |  | 14
| Additions for tax positions of prior years |  |  | 34 |  |  | 49 |  |  | 51
| Reductions for tax positions of prior years |  |  | (29) |  |  | (18) |  |  | (46)
| Effects of foreign currency translation |  |  | - |  |  | (1) |  |  | (2)
| Settlements |  |  | (6) |  |  | - |  |  | (67)
| Lapse of statute of limitations |  |  | (1) |  |  | (3) |  |  | (23)
| Balance at December 31 |  | $ | 481 |  | $ | 471 |  | $ | 437

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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -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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