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Schedule II - Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts (Tables) | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
schedule of valuation and qualifying accounts [Table Text Block] |
(in millions) | Balance at Beginning of the Period |  | Charged to Cost and Expense |  | Amounts Written off |  | Translation Adjustment |  | Balance at End of the Period
Allowance for accounts receivables |  |  |  |  |  |  |  |  |
(current and noncurrent) |  |  |  |  |  |  |  |  |

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- Definition schedule of valuation and qualifying accounts [Table Text Block] + References No definition available. + Details
Name: | aes_ScheduleofvaluationandqualifyingaccountsTableTextBlock
Namespace Prefix: | aes_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration