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Dispositions (Details) (AES Cartagena [Member], USD $) In Millions, unless otherwise specified | 0 Months Ended | 1 Months Ended | 3 Months Ended | 5 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 26, 2013 MW | Feb. 29, 2012 | Jun. 30, 2013 | Jul. 31, 2013 | Dec. 31, 2012
AES Cartagena [Member] |  |  |  |  |
Dispositions |  |  |  |  |
Cartagena generation capacity (MW) | 1,199 |  |  |  |
Proceeds from sale of ownership interest in Cartagena | $ 24 |  |  |  |
Pre-tax gain on disposal |  |  | $ 20 |  | $ 178
Cartagena ownership interest sold |  | 80.00% |  |  | 80.00%
Cartagena ownership interest prior to sale |  |  |  |  | 70.81%
Acquirer's option to purchase additional ownership interest in Cartagena |  |  |  |  | 20.00%
Term of buyer option to purchase Company's remaining interest |  |  |  | 5 months |
Company's continuing ownership interest extension period (beyond one year) |  | 1 year |  |  |

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- Definition Company's Continuing Ownership Interest Extension Period + References No definition available. + Details
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- Definition Represents the generation capacity of disposal group not considered discontinued operation. + References No definition available. + Details
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- Definition Represents the additional ownership interest that is available for purchase by the acquirer. + References No definition available. + Details
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- Definition Represents the proceeds from the sale of the disposal group not considered discontinued. + References No definition available. + Details
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- Definition Represents the ownership interest prior to the sale of the disposal group not considered discontinued. + References No definition available. + Details
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- Definition Percentage of equity interest in business disposed. + References No definition available. + Details
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- Details
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- Definition The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 + Details
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