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Nature of Business (Details) - MW		6 Months Ended
	May 25, 2022	Jun. 30, 2022	May 01, 2022
Nature of Business [Line Items]
Power generation capacity, megawatts (over)		7,500
Clearway Energy LLC | Clearway Energy, Inc.
Nature of Business [Line Items]
Ownership interest (as a percentage)		57.74%
CEG | Clearway Energy LLC
Nature of Business [Line Items]
Ownership interest (as a percentage)		42.26%
CEG | Clearway Energy, Inc.
Nature of Business [Line Items]
Voting Interest (as a percentage)		54.93%
Public Shareholders | Clearway Energy, Inc.
Nature of Business [Line Items]
Voting Interest (as a percentage)		45.07%
Global Infrastructure Partners | Total Energies
Nature of Business [Line Items]
Ownership interest (as a percentage)	50.00%
Thermal | Discontinued Operations, Disposed of by Sale
Nature of Business [Line Items]
Percentage of assets ownership sold			100.00%
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind
Nature of Business [Line Items]
Power generation capacity, megawatts (over)		5,000
Generational Facilities and District Energy Systems
Nature of Business [Line Items]
Power generation capacity, megawatts (over)		2,500

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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