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Nature of Business (Details)		12 Months Ended
	Oct. 01, 2024	Dec. 31, 2024 state GW
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Power generation capacity, gigawatts (over)		11.8
Number of states | state		26
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Power generation capacity, gigawatts (over)		9
Generational Facilities and District Energy Systems
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Power generation capacity, gigawatts (over)		2.8
Black Rock Drop Down | Global Infrastructure Management
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Ownership interest (as a percentage)	100.00%
Clearway Energy, Inc. | Clearway Energy LLC
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Ownership interest (as a percentage)		58.10%
Clearway Energy LLC | CEG
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Ownership interest (as a percentage)		41.90%

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
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-Name Accounting Standards Codification
-Section 50
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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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