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Derivative Instruments and Hedging Activities (Foreign Currency Derivatives) (Details) In Millions, unless otherwise specified |  | 12 Months Ended
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Dec. 31, 2013 USD ($) | Dec. 31, 2013 Chilean Unidad De Fomento CLF Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Chilean Unidad De Fomento CLF Foreign Exchange Option and Forward CLF | Dec. 31, 2013 Chilean Peso CLP Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Chilean Peso CLP Foreign Exchange Option and Forward CLP | Dec. 31, 2013 Brazilian Real BRL Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Brazilian Real BRL Foreign Exchange Option and Forward BRL | Dec. 31, 2013 Euro EUR Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Euro EUR Foreign Exchange Option and Forward EUR (€) | Dec. 31, 2013 Colombian Peso COP Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Colombian Peso COP Foreign Exchange Option and Forward COP | Dec. 31, 2013 Argentine Peso ARS Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 Argentine Peso ARS Foreign Exchange Option and Forward ARS | Dec. 31, 2013 Argentine Peso ARS Embedded Derivative Financial Instruments USD ($) | Dec. 31, 2013 Argentine Peso ARS Embedded Derivative Financial Instruments ARS | Dec. 31, 2013 British Pound GBP Foreign Exchange Option and Forward USD ($) | Dec. 31, 2013 British Pound GBP Foreign Exchange Option and Forward GBP (£) | Dec. 31, 2013 Kazakhstani Tenge KZT Embedded Derivative Financial Instruments USD ($) | Dec. 31, 2013 Kazakhstani Tenge KZT Embedded Derivative Financial Instruments KZT
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | $ 3,600 | $ 248 |  | 6 | [1] | $ 115 |  | 60,521 | [1] | $ 78 |  | 182 | [1] | $ 73 |  | € 53 | [1] | $ 69 |  | 133,860 | [1] | $ 7 |  | 43 | [1] | $ 139 |  | 905 | [1] | $ 57 |  | £ 35 | [1] | $ 5 |  | 816 | [1]
Derivative average remaining maturity (less than 1 year) |  |  |  |  |  | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] | <1 | [2] |  |  |  |  | <1 | [2] | <1 | [2] |  |  |  |
Derivative average remaining maturity (less than 1 year for some Foreign Currency Options) |  | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 1 year | [2] | 10 years | [2] | 10 years | [2] | 1 year | [2] | 1 year | [2] | 4 years | [2] | 4 years | [2]
[1] | Represents contractual notionals. The notionals for options have not been probability adjusted, which generally would decrease them.
[2] | Represents the remaining tenor of our foreign currency derivatives weighted by the corresponding notional. These options and forwards and these embedded derivatives range in maturity through 2017 and 2025, respectively.

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- Definition Average remaining period until maturity of the derivative contract, in string format. + References No definition available. + Details
Name: | aes_DerivativeAverageRemainingMaturityString
Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration