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Document and Entity Information
Dec. 17, 2024
Cover [Abstract]  
Document Type 8-K/A
Amendment Flag true
Document Period End Date Dec. 17, 2024
Entity Registrant Name Dominion Energy, Inc
Entity Incorporation State Country Code VA
Entity File Number 001-08489
Entity Tax Identification Number 54-1229715
Entity Address Address Line 1 120 Tredegar Street
Entity Address City Or Town Richmond
Entity Address State Or Province VA
Entity Address Postal Zip Code 23219
City Area Code 804
Local Phone Number 819-2000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol D
Security Exchange Name NYSE
Entity Emerging Growth Company false
Amendment Description This Amendment No. 8 to Form 8-K is being filed to replace the description of Dominion Energy, Inc.’s capital stock, which was filed with Amendment No. 7 to Form 8-K on February 21, 2023. The description is being updated to, among other things, remove references to the 4.65% Series B Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Stock, which Dominion Energy, Inc. redeemed in full effective December 15, 2024. 
Entity Central Index Key 0000715957