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Other Non-Operating Expense (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 3 Months Ended
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Mar. 31, 2012 Innovent [Member] mw | Mar. 31, 2012 China Generation [Member]
Component of Other Expense, Nonoperating [Line Items] |  |  |  |  |  |
Other non-operating expense | $ 1 | $ 0 | $ 50 | $ 0 | $ 17 | $ 31
Generation Capacity (MW) |  |  |  |  | 75 |
Fair Value |  |  |  |  | 19 | 133
Carrying Amount |  |  |  |  | $ 36 | $ 164

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- Definition This element represents the aggregate carrying amount of the assets measured at fair value on a nonrecurring basis by the entity before the recognition of impairment charges. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Total generation capacity of the subsidiary, in megawatts. + References No definition available. + Details
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Namespace Prefix: | aes_
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Balance Type: | na
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Details
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- Definition The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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