v3.19.3.a.u2
Cover
Dec. 20, 2019
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 20, 2019
Entity File Number 001-36002
Entity Registrant Name Clearway Energy, Inc.
Entity Central Index Key 0001567683
Entity Tax Identification Number 46-1777204
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 300 Carnegie Center
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Princeton
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08540
City Area Code 609
Local Phone Number 608-1525
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Class A [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class A Common Stock, par value $0.01
Trading Symbol CWEN.A
Security Exchange Name NYSE
Common Class C [Member]  
Document Information [Line Items]  
Title of 12(b) Security Class C Common Stock, par value $0.01
Trading Symbol CWEN
Security Exchange Name NYSE