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Debt - Subsidiary Non-recourse Debt in Default or Accelerated (Details) $ in Millions | Sep. 30, 2015 USD ($)
--- | ---
Nonrecourse Debt Default [Line Items] |
Debt Default Amount | $ 1,054
Maritza [Member] |
Nonrecourse Debt Default [Line Items] |
Net Assets | 648
Sul Subsidiary [Member] |
Nonrecourse Debt Default [Line Items] |
Net Assets | 433
Kavarna [Member] |
Nonrecourse Debt Default [Line Items] |
Net Assets | 77
Altai [Domain] |
Nonrecourse Debt Default [Line Items] |
Net Assets | 10
Covenant Violation [Member] | Maritza [Member] |
Nonrecourse Debt Default [Line Items] |
Debt Default, Short-term Debt, Amount | 576
Covenant Violation [Member] | Sul Subsidiary [Member] |
Nonrecourse Debt Default [Line Items] |
Debt Default, Short-term Debt, Amount | 327
Covenant Violation [Member] | Kavarna [Member] |
Nonrecourse Debt Default [Line Items] |
Debt Default, Short-term Debt, Amount | 143
Covenant Violation [Member] | Altai [Domain] |
Nonrecourse Debt Default [Line Items] |
Debt Default, Short-term Debt, Amount | $ 8

X
- 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

X
- Definition Amount of net assets (liabilities). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09.6,7) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606914-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35686370&loc=SL35686385-199418 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05.4) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e604008-122996 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Paragraph 19 -Article 6 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of outstanding short-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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | aes_DebtDefaultBySubsidiaryAxis=aes_AltaiDomain
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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