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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
	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

[Line Items] for Summary of Significant Accounting Policies [Table]

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Per unit of ownership amount of cash distributions paid to unit-holder of a limited liability company (LLC).

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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

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