XML 26 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value (Nonrecurring Measurements) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Impairment expenses | $ 166 |  | $ 48 |
Goodwill impairment expense | 154 |  | 0 |
East Bend DPL [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 2 |  |  |
DPLER [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Goodwill impairment expense | 136 |  |  |
Buffalo Gap [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Goodwill impairment expense | 18 |  |  |
Long Lived Assets Held And Used [Member] | East Bend DPL [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Impairment expenses | 12 | [1] |  |
Long Lived Assets Held And Used [Member] | Beaver Valley [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Impairment expenses |  |  | 46 | [1]
Long Lived Assets Held For Sale [Member] | Wind turbines [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Impairment expenses |  |  | 0 | [1]
Discontinued operations and held for sale businesses [Member] | Cameroon [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Impairment expenses | 38 | [2] |  |
Discontinued operations and held for sale businesses [Member] | Ukraine utilities [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Goodwill impairment expense |  |  | 38 |
Goodwill [Member] | DPLER [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Goodwill impairment expense | 136 | [3] |  |
Goodwill [Member] | Buffalo Gap [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Goodwill impairment expense | 18 | [3] |  |
Carrying Amount [Member] | Long Lived Assets Held And Used [Member] | East Bend DPL [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 14 | [1] |  |
Carrying Amount [Member] | Long Lived Assets Held And Used [Member] | Beaver Valley [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 61 | [1]
Carrying Amount [Member] | Long Lived Assets Held For Sale [Member] | Wind turbines [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 25 | [1]
Carrying Amount [Member] | Discontinued operations and held for sale businesses [Member] | Cameroon [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 372 | [2] |  |
Carrying Amount [Member] | Discontinued operations and held for sale businesses [Member] | Ukraine utilities [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 143 |
Carrying Amount [Member] | Goodwill [Member] | DPLER [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 136 | [3] |  |
Carrying Amount [Member] | Goodwill [Member] | Buffalo Gap [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 28 | [3] |  |
Fair Value [Member] | Long Lived Assets Held And Used [Member] | East Bend DPL [Member] | Level 2 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 2 | [1] |  |
Fair Value [Member] | Long Lived Assets Held And Used [Member] | Beaver Valley [Member] | Level 1 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 0 | [1]
Fair Value [Member] | Long Lived Assets Held And Used [Member] | Beaver Valley [Member] | Level 2 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 0 | [1]
Fair Value [Member] | Long Lived Assets Held And Used [Member] | Beaver Valley [Member] | Level 3 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 15 | [1]
Fair Value [Member] | Long Lived Assets Held For Sale [Member] | Wind turbines [Member] | Level 3 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 25 | [1]
Fair Value [Member] | Discontinued operations and held for sale businesses [Member] | Cameroon [Member] | Level 2 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | 340 | [2] |  |
Fair Value [Member] | Discontinued operations and held for sale businesses [Member] | Ukraine utilities [Member] | Level 2 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring |  |  | 109 |
Fair Value [Member] | Goodwill [Member] | Buffalo Gap [Member] | Level 3 [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Abstract] |  |  |  |
Fair Value, Nonrecurring | $ 10 | [3] |  |
[1] | See Note 15 — Asset Impairment Expense for further information.
[2] | See Note 16 — Discontinued Operations and Held-For-Sale Businesses for further information. Also, the gross loss equals the carrying amount of the disposal group less its fair value less costs to sell.
[3] | See Note 14 - Goodwill Impairments for further information.

X
- Details
Name: | aes_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisAbstract
Namespace Prefix: | aes_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration