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Long-Term Investments (Equity Method Investments) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Long-Term Investments [Line Items] |  |  |
Long-Term Investments |  | $ 295 | $ 624
Partnerships And Corporate Joint Ventures [Member] |  |  |
Long-Term Investments [Line Items] |  |  |
Long-Term Investments | [1] | $ 17 | $ 306
[1] | During the year ended December 31, 2023, there were no dividends from these investments. During the years ended December 31, 2022 and 2021, dividends from these investments were $8 million and $17 million, respectively. See Note 3. Asset Dispositions and Impairments for information regarding the sales of our ownership interest in the Ocean Wind 1 project and Kalaeloa.

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- Definition Long-Term Investments [Line Items] + References No definition available. + Details
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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