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Risks and Uncertainties (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Unusual Risk or Uncertainty [Line Items] |  |
Goodwill, Reporting Unit at Risk, Percentage | 10.00% | 10.00%
Goodwill | $ 1,059 | $ 1,059
Debt Default Amount | 296 |
Investments in and advances to affiliates | 787 | $ 966
PUERTO RICO | Covenant Violation [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Debt Default Amount | 258 |
AES llumina [Member] | Covenant Violation [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Debt Default Amount | $ 31 |
Gener Subsidiary [Member] |  |
Unusual Risk or Uncertainty [Line Items] |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 13.00% | 3.00%
Goodwill | $ 868 |

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- Definition Amount of outstanding debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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