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Investments In and Advances To Affiliates (Tables) | 12 Months Ended
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Dec. 31, 2011
Investments In And Advances To Affiliates Tables [Abstract] |
Equity Ownership Interest And Carrying Values Of Investments Accounted For Under The Equity Method |
|  |  |  | December 31,
Affiliate |  | Country |  | 2011 |  | 2010 |  | 2011 |  | 2010
|  |  |  | Carrying Value |  | Ownership Interest %
|  |  |  | (in millions) |  |  |  |
AES Solar Energy Ltd. |  | Europe |  | $ | 225 |  | $ | 256 |  | 50% |  | 50%
AES Solar Power LLC |  | United States |  |  | 91 |  |  | 8 |  | 50% |  | 50%
AES Solar Power, PR, LLC |  | Puerto Rico |  |  | 8 |  |  | - |  | 50% |  | 0%
Barry(1) |  | United Kingdom |  |  | - |  |  | - |  | 100% |  | 100%
CET(1) |  | Brazil |  |  | 14 |  |  | 22 |  | 72% |  | 72%
Chigen affiliates (2) |  | China |  |  | 30 |  |  | 146 |  | 25% |  | 25%
China Wind(3) |  | China |  |  | 75 |  |  | 69 |  | 49% |  | 49%
Elsta |  | Netherlands |  |  | 197 |  |  | 202 |  | 50% |  | 50%
Entek |  | Turkey |  |  | 121 |  |  | - |  | 50% |  | 0%
Guacolda |  | Chile |  |  | 186 |  |  | 149 |  | 35% |  | 35%
IC Ictas Energy Group |  | Turkey |  |  | 161 |  |  | 151 |  | 51% |  | 51%
InnoVent(1) |  | France |  |  | 32 |  |  | 31 |  | 40% |  | 40%
JHRH |  | China |  |  | 59 |  |  | 39 |  | 49% |  | 35%
OPGC |  | India |  |  | 203 |  |  | 224 |  | 49% |  | 49%
Trinidad Generation Unlimited(1) |  | Trinidad |  |  | 19 |  |  | 20 |  | 10% |  | 10%
Other affiliates |  |  |  |  | 1 |  |  | 3 |  |  |  |
Total investments in and advances to affiliates |  | $ | 1,422 |  | $ | 1,320 |  |  |  |
Investments In and Advances to Affiliates Financial Information |
|  | 50%-or-less Owned Affiliates |  | Majority-Owned Unconsolidated Subsidiaries
Years ended December 31, |  | 2011 |  | 2010 |  | 2009 |  | 2011 |  | 2010 |  | 2009
|  | (in millions) |  | (in millions)
Revenue |  | $ | 1,668 |  | $ | 1,341 |  | $ | 1,229 |  | $ | 24 |  | $ | 20 |  | $ | 158
Gross margin |  |  | 258 |  |  | 207 |  |  | 240 |  |  | 24 |  |  | 18 |  |  | 71
Net income (loss) |  |  | (5) |  |  | 100 |  |  | 110 |  |  | (5) |  |  | 7 |  |  | (5)
December 31, |  | 2011 |  | 2010 |  |  |  |  | 2011 |  | 2010 |  |  |
|  | (in millions) |  |  |  |  | (in millions) |  |  |
Current assets |  | $ | 1,182 |  | $ | 948 |  |  |  |  | $ | 58 |  | $ | 114 |  |  |
Noncurrent assets |  |  | 4,298 |  |  | 4,131 |  |  |  |  |  | 519 |  |  | 646 |  |  |
Current liabilities |  |  | 899 |  |  | 687 |  |  |  |  |  | 109 |  |  | 144 |  |  |
Noncurrent liabilities |  |  | 1,720 |  |  | 1,597 |  |  |  |  |  | 269 |  |  | 242 |  |  |
Noncontrolling interests |  |  | (240) |  |  | (206) |  |  |  |  |  | - |  |  | 125 |  |  |
Stockholders' equity |  |  | 3,101 |  |  | 3,001 |  |  |  |  |  | 199 |  |  | 249 |  |  |

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- Definition Tabular disclosure of equity method investments in common stock. The disclosure may include: (a) the name of each investee or group of investments for which combined disclosure is appropriate, (2) the percentage ownership of common stock, (3) the difference, if any, between the carrying amount of an investment and the value of the underlying equity in the net assets and the accounting treatment of difference, if any, and (4) the aggregate value of each identified investment based on its quoted market price, if available. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a, b -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 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition A tabular presentation of the information required in the supplementary schedule applicable to management investment companies summarizing 'investments in and advances to' majority-owned subsidiaries, other controlled companies, and other affiliates, as prescribed by the SEC. It reflects specified information about ownership, financial results from, and financial position in such entities as of the balance sheet date and for the period then ended. Includes the tabular presentations that disaggregate 'investments in and advances' to majority-owned subsidiaries, other controlled companies, and other affiliates. + References No definition available. + Details
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