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v2.4.1.9

Equity (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 57 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | $ 7,325 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 7,651 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
Net income | 254 us-gaap_ProfitLoss | 66 us-gaap_ProfitLoss |
Total foreign currency translation adjustment, net of income tax | (421)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 11 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |
Total change in derivative fair value, net of income tax | (60)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax | (101)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax |
Total pension adjustments, net of income tax | 5 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax | 6 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | (5)us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 | 0 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 | (5)us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
Capital contributions from noncontrolling interests | 67 aes_CapitalContributionsFromNoncontrollingInterests | 31 aes_CapitalContributionsFromNoncontrollingInterests |
Distributions to noncontrolling interests | (19)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders | (24)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders |
Disposition of businesses | 0 aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses | (5)aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses |
Acquisition of treasury stock | (35)us-gaap_TreasuryStockValueAcquiredCostMethod | 0 us-gaap_TreasuryStockValueAcquiredCostMethod | (1,300)us-gaap_TreasuryStockValueAcquiredCostMethod
Issuance and exercise of stock-based compensation benefit plans, net of income tax | 5 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation | 6 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation |
Sale of subsidiary shares to noncontrolling interests | (81)us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest | 0 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest |
Ending Balance | 7,035 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 7,641 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 7,035 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Common Stock, Dividends, Per Share, Declared | $ 0.00 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.00 us-gaap_CommonStockDividendsPerShareDeclared |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.10 us-gaap_CommonStockDividendsPerShareCashPaid |  |
Unrealized Derivative Losses [Roll Forward] |  |  |
Unrealized derivative losses, beginning balance | (396)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |  |
Unrealized derivative losses, ending balance | (422)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |  | (422)us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
Unfunded PensionObligation [Roll Forward] |  |  |
Unfunded pension obligation, beginning balance | (295)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax |  |
Unfunded pension obligation, ending balance | (294)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax |  | (294)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
Foreign Currency Translation Adjustment [Roll Forward] |  |  |
Foreign currency translation adjustment, beginning balance | (2,595)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax |  |
Foreign currency translation adjustment, ending balance | (2,833)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax |  | (2,833)us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
Accumulated Other Comprehensive Income Loss Net Of Tax [Roll Forward] |  |  |
Accumulated other comprehensive loss, beginning balance | (3,286)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  |
Other comprehensive income before reclassifications | (286)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax |  |
Amounts reclassified from accumulated other comprehensive loss | (10)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax |  |
Accumulated other comprehensive loss, ending balance | (3,549)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | (3,549)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax [Roll Forward] |  |  |
Other comprehensive income before reclassifications | (35)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  |
Amounts reclassified from accumulated other comprehensive loss | (9)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  |
Accumulated Translation Adjustment [Member] |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax [Roll Forward] |  |  |
Other comprehensive income before reclassifications | (251)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  |
Amounts reclassified from accumulated other comprehensive loss | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  |
Accumulated Defined Benefit Plans Adjustment [Member] |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax [Roll Forward] |  |  |
Other comprehensive income before reclassifications | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |  |
Amounts reclassified from accumulated other comprehensive loss | (1)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember |  |
Parent [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 4,272 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 4,330 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Net income | 142 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | (58)us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Total foreign currency translation adjustment, net of income tax | (251)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | (40)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Total change in derivative fair value, net of income tax | (26)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | (47)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Total pension adjustments, net of income tax | 1 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 2 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | (5)us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | (5)us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember
Capital contributions from noncontrolling interests | 0 aes_CapitalContributionsFromNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 aes_CapitalContributionsFromNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Distributions to noncontrolling interests | 0 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Disposition of businesses | 0 aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Acquisition of treasury stock | (35)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Issuance and exercise of stock-based compensation benefit plans, net of income tax | 5 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 6 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Sale of subsidiary shares to noncontrolling interests | (81)us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 0 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
Ending Balance | 4,022 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 4,193 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember | 4,022 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember
Noncontrolling Interest [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Beginning Balance | 3,053 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 3,321 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Net income | 112 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 124 us-gaap_ProfitLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Total foreign currency translation adjustment, net of income tax | (170)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 51 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Total change in derivative fair value, net of income tax | (34)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (54)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Total pension adjustments, net of income tax | 4 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 4 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | 0 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 0 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 0 us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember
Capital contributions from noncontrolling interests | 67 aes_CapitalContributionsFromNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 31 aes_CapitalContributionsFromNoncontrollingInterests / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Distributions to noncontrolling interests | (19)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (24)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Disposition of businesses | 0 aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | (5)aes_NoncontrollingInterestDecreaseDueToDispositionOfBusinesses / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Acquisition of treasury stock | 0 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 0 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Issuance and exercise of stock-based compensation benefit plans, net of income tax | 0 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 0 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Sale of subsidiary shares to noncontrolling interests | 0 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | 0 us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Ending Balance | $ 3,013 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | $ 3,448 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember | $ 3,013 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember

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