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Asset Impairment Expense (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Asset Impairment Expense [Line Items] |  |
Impairment of Long-Lived Assets Held-for-use | $ 473 | $ 6
Other Subsidiaries [Member] |  |
Asset Impairment Expense [Line Items] |  |
Impairment of Long-Lived Assets Held-for-use | 2 | 6
AES Puerto Rico |  |
Asset Impairment Expense [Line Items] |  |
Impairment of Long-Lived Assets Held-for-use | 475 | $ 0
Assets Carrying Amount Disclosure Nonrecurring | $ 73 |

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- 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
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- 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
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- 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=123570139&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 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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- Details
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- Details
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Period Type: |