XML 74 R156.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes (Effective Income Tax Reconciliation) (Details)
0 Months Ended 12 Months Ended
Sep. 29, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 25, 2014
Aug. 22, 2014
project
Effective Income Tax Rate Reconciliation, Amount [Abstract]            
Statutory Federal tax rate   35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate    
State taxes, net of Federal tax benefit   (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (3.00%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (21.00%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes    
Taxes on foreign earnings   (14.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (4.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (32.00%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential    
Valuation allowance   (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 16.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance    
Uncertain tax positions   0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness (5.00%)us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness 9.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness    
Bad debt deduction   0.00%aes_EffectiveIncomeTaxRateReconciliationWithholdingTaxReversals (3.00%)aes_EffectiveIncomeTaxRateReconciliationWithholdingTaxReversals 0.00%aes_EffectiveIncomeTaxRateReconciliationWithholdingTaxReversals    
Change in tax law   4.00%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings 17.00%us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings    
Goodwill impairment   4.00%aes_EffectiveIncomeTaxRateReconciliationDplGoodwillImpairment 12.00%aes_EffectiveIncomeTaxRateReconciliationDplGoodwillImpairment 276.00%aes_EffectiveIncomeTaxRateReconciliationDplGoodwillImpairment    
Other—net   0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 2.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments    
Effective tax rate 21.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 27.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 33.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 298.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations    
Component of taxes on foreign earnings   (8.00%)aes_ComponentoftaxesonforeignearningssaleofinterestinMasinAESPteLtd.        
Masinloc Subsidiary            
Effective Income Tax Rate Reconciliation, Amount [Abstract]            
Investment In Affiliate Ownership Percentage Sold         45.00%aes_InvestmentInAffiliateOwnershipPercentageSold
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= aes_MasinlocSubsidiaryMember
 
UK Wind Projects            
Effective Income Tax Rate Reconciliation, Amount [Abstract]            
Number of U.K. Wind Projects Sold           4aes_NumberofU.K.WindProjectsSold
/ invest_InvestmentAxis
= aes_UKWindProjectsMember