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Debt (Subsidiary Non-Recourse Debt in Default or Accelerated) (Details) $ in Millions | Dec. 31, 2017 USD ($)
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Debt Details [Line Items] |
Debt default amount | $ 1,019
Alto Maipo [Member] | Covenant Violation |
Debt Details [Line Items] |
Non-Recourse Debt | 618
PUERTO RICO | Covenant Violation |
Debt Details [Line Items] |
Debt default amount | 365
Non-Recourse Debt | 365
AES Ilumina [Member] | Covenant Violation |
Debt Details [Line Items] |
Non-Recourse Debt | 36
Net Assets, Segment [Member] | Alto Maipo [Member] |
Debt Details [Line Items] |
Non-Recourse Debt | 352
Net Assets, Segment [Member] | PUERTO RICO |
Debt Details [Line Items] |
Non-Recourse Debt | 692
Net Assets, Segment [Member] | AES Ilumina [Member] |
Debt Details [Line Items] |
Non-Recourse Debt | $ 54

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- Definition Amount of outstanding debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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