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Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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CURRENT ASSETS |  |
Cash and cash equivalents | $ 1,539 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 1,642 us-gaap_CashAndCashEquivalentsAtCarryingValue
Restricted cash | 283 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue | 597 us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Short-term investments | 709 us-gaap_ShortTermInvestments | 668 us-gaap_ShortTermInvestments
Accounts receivable, net of allowance for doubtful accounts of $96 and $134, respectively | 2,709 us-gaap_AccountsReceivableNetCurrent | 2,363 us-gaap_AccountsReceivableNetCurrent
Inventory | 702 us-gaap_InventoryNet | 684 us-gaap_InventoryNet
Deferred income taxes | 275 us-gaap_DeferredTaxAssetsNetCurrent | 166 us-gaap_DeferredTaxAssetsNetCurrent
Prepaid expenses | 175 us-gaap_PrepaidExpenseCurrent | 179 us-gaap_PrepaidExpenseCurrent
Other current assets | 1,434 us-gaap_OtherAssetsCurrent | 976 us-gaap_OtherAssetsCurrent
Current assets of discontinued operations and held-for-sale assets | 0 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent | 464 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
Total current assets | 7,826 us-gaap_AssetsCurrent | 7,739 us-gaap_AssetsCurrent
Property, Plant and Equipment: |  |
Land | 870 us-gaap_Land | 922 us-gaap_Land
Electric generation, distribution assets and other | 30,459 us-gaap_PropertyPlantAndEquipmentOther | 30,596 us-gaap_PropertyPlantAndEquipmentOther
Accumulated depreciation | (9,962)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (9,604)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Construction in progress | 3,784 us-gaap_ConstructionInProgressGross | 3,198 us-gaap_ConstructionInProgressGross
Property, plant and equipment, net | 25,151 us-gaap_PropertyPlantAndEquipmentNet | 25,112 us-gaap_PropertyPlantAndEquipmentNet
Other Assets: |  |
Investments in and advances to affiliates | 537 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures | 1,010 us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Debt service reserves and other deposits | 411 aes_DebtServiceReservesAndOtherDeposits | 541 aes_DebtServiceReservesAndOtherDeposits
Goodwill | 1,458 us-gaap_Goodwill | 1,622 us-gaap_Goodwill
Other intangible assets, net of accumulated amortization of $158 and $153, respectively | 281 us-gaap_IntangibleAssetsNetExcludingGoodwill | 297 us-gaap_IntangibleAssetsNetExcludingGoodwill
Deferred income taxes | 662 us-gaap_DeferredTaxAssetsNetNoncurrent | 666 us-gaap_DeferredTaxAssetsNetNoncurrent
Other noncurrent assets | 2,640 us-gaap_OtherAssetsNoncurrent | 2,170 us-gaap_OtherAssetsNoncurrent
Noncurrent assets of discontinued operations and held-for-sale assets | 0 us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsNoncurrent | 1,254 us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsNoncurrent
Total other assets | 5,989 aes_AssetsNoncurrentExcludingPropertyPlantAndEquipment | 7,560 aes_AssetsNoncurrentExcludingPropertyPlantAndEquipment
TOTAL ASSETS | 38,966 us-gaap_Assets | 40,411 us-gaap_Assets
CURRENT LIABILITIES |  |
Accounts payable | 2,278 us-gaap_AccountsPayableCurrent | 2,259 us-gaap_AccountsPayableCurrent
Accrued interest | 260 us-gaap_InterestPayableCurrent | 263 us-gaap_InterestPayableCurrent
Accrued and other liabilities | 2,326 us-gaap_AccruedLiabilitiesCurrent | 2,114 us-gaap_AccruedLiabilitiesCurrent
Non-recourse debt, including $240 and $267, respectively, related to variable interest entities | 1,982 aes_NonRecourseDebtCurrent | 2,062 aes_NonRecourseDebtCurrent
Recourse debt | 151 aes_RecourseDebtCurrent | 118 aes_RecourseDebtCurrent
Current liabilities of discontinued operations and held-for-sale businesses | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent | 837 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
Total current liabilities | 6,997 us-gaap_LiabilitiesCurrent | 7,653 us-gaap_LiabilitiesCurrent
NONCURRENT LIABILITIES |  |
Non-recourse debt, including $1,030 and $979, respectively, related to variable interest entities | 13,618 aes_NonRecourseDebtNonCurrent | 13,318 aes_NonRecourseDebtNonCurrent
Recourse debt | 5,107 aes_RecourseDebtNonCurrent | 5,551 aes_RecourseDebtNonCurrent
Deferred income taxes | 1,277 us-gaap_DeferredTaxLiabilitiesNoncurrent | 1,119 us-gaap_DeferredTaxLiabilitiesNoncurrent
Pension and other post-retirement liabilities | 1,342 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent | 1,310 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
Other noncurrent liabilities | 3,222 us-gaap_OtherLiabilitiesNoncurrent | 3,299 us-gaap_OtherLiabilitiesNoncurrent
Noncurrent liabilities of discontinued operations and held-for-sale businesses | 0 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent | 432 us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
Total noncurrent liabilities | 24,566 us-gaap_LiabilitiesNoncurrent | 25,029 us-gaap_LiabilitiesNoncurrent
Contingencies and Commitments (see Notes 13 and 14) |  |
Cumulative preferred stock of subsidiaries | 78 us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount | 78 us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
THE AES CORPORATION STOCKHOLDERS’ EQUITY |  |
Common stock ($0.01 par value, 1,200,000,000 shares authorized; 814,539,146 issued and 703,851,297 outstanding at December 31, 2014 and 813,316,510 issued and 722,508,342 outstanding at December 31, 2013) | 8 us-gaap_CommonStockValue | 8 us-gaap_CommonStockValue
Additional paid-in capital | 8,409 us-gaap_AdditionalPaidInCapital | 8,443 us-gaap_AdditionalPaidInCapital
Retained earnings (accumulated deficit) | 512 us-gaap_RetainedEarningsAccumulatedDeficit | (150)us-gaap_RetainedEarningsAccumulatedDeficit
Accumulated other comprehensive loss | (3,286)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax | (2,882)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Treasury stock, at cost (110,687,849 shares at December 31, 2014 and 90,808,168 shares at December 31, 2013) | (1,371)us-gaap_TreasuryStockValue | (1,089)us-gaap_TreasuryStockValue
Total AES Corporation stockholders’ equity | 4,272 us-gaap_StockholdersEquity | 4,330 us-gaap_StockholdersEquity
NONCONTROLLING INTERESTS | 3,053 us-gaap_MinorityInterest | 3,321 us-gaap_MinorityInterest
Total equity | 7,325 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 7,651 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
TOTAL LIABILITIES AND EQUITY | $ 38,966 us-gaap_LiabilitiesAndStockholdersEquity | $ 40,411 us-gaap_LiabilitiesAndStockholdersEquity

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant and equipment, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. + References No definition available. + Details
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.31(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph g -Article 7 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568447-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4568740-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4590271-111686 + Details
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