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Equity (Tables) | 12 Months Ended
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Dec. 31, 2012
Equity Tables [Abstract] |
Components Of Accumulated Other Comprehensive Income |
|  | December 31,
|  | 2012 |  | 2011
|  | (in millions)
Foreign currency translation adjustment, net |  | $ | 2,057 |  | $ | 1,967
Unrealized derivative losses, net |  |  | 481 |  |  | 534
Unfunded pension obligations, net |  |  | 382 |  |  | 257
Total |  | $ | 2,920 |  | $ | 2,758
Schedule Of Net Income Attributable To Parent And Transfers To From Noncontrolling Interests [Text Block] |
|  |  |  |  | December 31,
|  |  |  |  | 2012 |  | 2011
|  |  |  |  | (in millions)
Net income (loss) attributable to The AES Corporation |  | $ | (912) |  | $ | 58
| Transfers (to) from the noncontrolling interests: |  |  |  |  |  |
|  | Net increase in The AES Corporation's paid-in capital for sale of subsidiary shares |  |  | 7 |  |  | 19
|  | Increase in The AES Corporation's paid-in capital for purchase of subsidiary shares |  |  | 4 |  |  | -
| Net transfers (to) from noncontrolling interest |  |  | 11 |  |  | 19
Change from net income attributable to The AES Corporation and transfers (to) from |  |  |  |  |  |
| noncontrolling interests |  | $ | (901) |  | $ | 77

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580 + Details
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