Variable Interest Entities	3 Months Ended
Mar. 31, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Variable Interest Entities	Note 15. Variable Interest Entities There have been no significant changes regarding the entities the Companies consider VIEs as described in Note 16 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2020. Dominion Energy At March 31, 2021 and December 31, 2020, Dominion Energy’s securities due within one year included $34 million and $32 million, respectively, and at March 31, 2021 and December 31, 2020, Dominion Energy’s long-term debt included $238 million and $239 million, respectively, of debt issued by SBL Holdco, a VIE, net of issuance costs, that is nonrecourse to Dominion Energy and is secured by SBL Holdco’s interest in certain merchant solar facilities. Virginia Power Virginia Power purchased shared services from DES, an affiliated VIE, of $96 million and $93 million for the three months ended March 31, 2021 and 2020, respectively. Virginia Power’s Consolidated Balance Sheets include amounts due to DES of $35 million and $175 million at March 31, 2021 and December 31, 2020, respectively, recorded in payables to affiliates.

Variable Interest Entities

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Note 15. Variable Interest Entities

There have been no significant changes regarding the entities the Companies consider VIEs as described in Note 16 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2020.

Dominion Energy

At March 31, 2021 and December 31, 2020, Dominion Energy’s securities due within one year included $34 million and $32 million, respectively, and at March 31, 2021 and December 31, 2020, Dominion Energy’s long-term debt included $238 million and $239 million, respectively, of debt issued by SBL Holdco, a VIE, net of issuance costs, that is nonrecourse to Dominion Energy and is secured by SBL Holdco’s interest in certain merchant solar facilities.

Virginia Power

Virginia Power purchased shared services from DES, an affiliated VIE, of $96 million and $93 million for the three months ended March 31, 2021 and 2020, respectively. Virginia Power’s Consolidated Balance Sheets include amounts due to DES of $35 million and $175 million at March 31, 2021 and December 31, 2020, respectively, recorded in payables to affiliates.