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Investments In and Advances To Affiliates - Effective Equity Ownership Interest and Carrying Values (Details) (USD $) In Millions, unless otherwise specified |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Silver Ridge Power | Dec. 31, 2012 Silver Ridge Power | Dec. 31, 2013 Barry | Dec. 31, 2012 Barry | Dec. 31, 2013 CET | Dec. 31, 2012 CET | Dec. 31, 2013 Chigen Affiliates | Dec. 31, 2012 Chigen Affiliates | Dec. 31, 2013 Elsta | Dec. 31, 2012 Elsta | Dec. 31, 2013 Entek | Dec. 31, 2012 Entek | Dec. 31, 2013 Guacolda | Dec. 31, 2012 Guacolda | Dec. 31, 2013 OPGC | Dec. 31, 2012 OPGC | Dec. 31, 2013 Trinidad Generation Unlimited | Dec. 31, 2012 Trinidad Generation Unlimited | Dec. 31, 2013 Other Affiliates | Dec. 31, 2012 Other Affiliates
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments in and advances to affiliates | $ 1,010 | $ 1,196 | $ 1,422 | $ 291 | [1] | $ 307 | [1] | $ 0 | [2] | $ 0 | [2] | $ 0 | [2],[3] | $ 13 | [2],[3] | $ 0 | [4] | $ 2 | [4] | $ 120 | [2],[5] | $ 219 | [2],[5] | $ 165 | $ 234 | $ 245 | $ 196 | $ 186 | $ 199 | $ 0 | [2],[6] | $ 24 | [2],[6] | $ 3 | $ 2
Investment In Affiliate Ownership Percentage |  |  |  | 50.00% | [1] | 50.00% | [1] | 100.00% | [2] | 100.00% | [2] |  |  | 72.00% | [2],[3] |  |  | 35.00% | [4] | 50.00% | [2],[5] | 50.00% | [2],[5] | 50.00% | 50.00% | 35.00% | 35.00% | 49.00% | 49.00% | 10.00% |  | 10.00% | [2],[6] |  |
Equity method investment, other than temporary impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 129 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Liabilities Associated With Debt Agreement Resulting In Loss Of Control |  |  |  |  |  |  |  | $ 55 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Represent our investments in AES Solar Energy Ltd in Europe, AES Solar Power LLC in the United States and AES Solar Power, PR, LLC in Puerto Rico. The collective solar energy affiliates were consolidated into a single entity, Silver Ridge Power, during 2013.
[2] | Represent VIEs in which the Company holds a variable interest, but is not the primary beneficiary.
[3] | The Company acquired all of the noncontrolling interests of CET during the fourth quarter of 2013, which resulted in the consolidation of this entity
[4] | Represent our investment in Chengdu AES Kaihua Gas Turbine Company Ltd. The Company disposed of this investment during the first quarter of 2013.
[5] | The Company recognized a $129 million impairment of its investment in Elsta during 2013. For additional information see Note 9 — Other Non-Operating Expense.
[6] | The Company sold its interest in Trinidad Generation Unlimited during the third quarter of 2013.

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- Definition The effective percentage of the affiliate's voting interest owned by the reporting entity (directly or indirectly) + References No definition available. + Details
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- Definition The amount of long-term liabilities associated with a debt agreement under which no material financial of operating decisions can be made with the banks' consent, resulting in loss of control of the affiliate by the parent + References No definition available. + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=7658923&loc=d3e32787-111569 + Details
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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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