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General and Summary of Significant Accounting Policies New Accounting Pronouncements Adopted (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ 1,500 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Other Noncurrent Liabilities [Member] | Accounting Standards Update 2013-11 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification | $ (66)us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification / us-gaap_AdjustmentsForNewAccountingPronouncementsAxis = aes_AccountingStandardsUpdate201311Member / us-gaap_BalanceSheetLocationAxis = us-gaap_OtherNoncurrentLiabilitiesMember

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- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
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- Details
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