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Summary of Significant Accounting Policies - Schedule of Distributions Made to Limited Liability Company (LLC) Member, by Distribution (Details) - Clearway Energy LLC - $ / shares | 3 Months Ended
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Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025
Distributions per Class B Unit |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) | $ 0.4456 | $ 0.4384 | $ 0.4312
Distributions per Class D Unit |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) | $ 0.4456 | $ 0.4384 | $ 0.4312

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- Definition Per unit of ownership amount of cash distributions paid to unit-holder of a limited liability company (LLC). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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