XML 103 R82.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Asset Impairment Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | $ 92 | $ 90 |  | $ 92 | $ 258
US Generation Facility [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | 83 | 0 |  | 83 | 0
Kazakhstan Hydro [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 0 | 90 |  | 0 | 90
Kazakhstan [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets to be Disposed of | 0 | 0 |  | 0 | 94
DPL Subsidiary [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | 0 | 0 |  | 0 | 66
Other Subsidiaries [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Impairment of Long-Lived Assets Held-for-use | 9 | 0 |  | 9 | 8
Long Lived Assets Held For Sale [Member] | Kazakhstan [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Assets Carrying Amount Disclosure Nonrecurring |  |  | $ 171 |  |
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) |  |  | 92 |  |
Fair Value Less Costs To Sell |  |  | 29 |  |
Impairment of Long-Lived Assets to be Disposed of |  |  | $ 94 |  |
Fair Value, Measurements, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | US Generation Facility [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Assets, fair value | $ 127 |  |  | $ 127 |
Fair Value, Measurements, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Stuart Station [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Assets, fair value |  | 3 |  |  | 3
Fair Value, Measurements, Nonrecurring [Member] | Long Lived Assets Held And Used [Member] | Killen Station [Member] |  |  |  |  |
Asset Impairment Expense [Line Items] |  |  |  |  |
Assets, fair value |  | $ 8 |  |  | $ 8

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | aes_AssetImpairmentExpenseLineItems
Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the aggregate carrying amount of the assets measured at fair value on a nonrecurring basis by the entity before the recognition of impairment charges. + References No definition available. + Details
Name: | aes_AssetsCarryingAmountDisclosureNonrecurring
Namespace Prefix: | aes_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value less costs to sell by the entity. + References No definition available. + Details
Name: | aes_FairValueLessCostsToSell
Namespace Prefix: | aes_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32211-110900 + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationForeignCurrencyTranslationGainsLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 220 -Section 45 -Paragraph 11 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114873921&loc=SL114875236-224282 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228 + Details
Name: | us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=aes_USGenerationFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_KazakhstanHydroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_KazakhstanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_DplSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_OtherSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=aes_LongLivedAssetsHeldAndUsedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_StuartStationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aes_KillenStationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |