Schedule of Assets (Held at End of Year) - Schedule of Assets (Details) - EBP 001
|
12 Months Ended |
|
Dec. 31, 2025
USD ($)
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| Entity Tax Identification Number |
54-1229715
|
| EBP, Plan Number |
001
|
| Current Value |
$ 2,227,498,061
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Asset Held for Investment, Participant Loan, Interest Rate |
1.00%
|
| EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution |
$ 39,745,397
|
| Total assets (held at end of year) |
2,267,243,458
|
| Common Collective Trust Funds |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| Current Value |
$ 1,568,230,753
|
| Maximum |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| Employee Benefit Plan Participant Loan Maturity Year |
2030
|
| EBP, Asset Held for Investment, Participant Loan, Interest Rate |
9.50%
|
| Minimum |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| Employee Benefit Plan Participant Loan Maturity Year |
2026
|
| EBP, Asset Held for Investment, Participant Loan, Interest Rate |
4.25%
|
| Investment, Identifier [Axis]: Bank of New York Mellon, BNY EB Temporary Investment Fund |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Bank Of New York Mellon [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 205,506
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| Investment, Identifier [Axis]: Capital Group, EuroPacific Growth Trust |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Capital Group [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 135,460,877
|
| Investment, Identifier [Axis]: Charles Schwab, Schwab Personal Choice Retirement Account |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Charles Schwab [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Defined Benefit Plan Retirement Account [Member]
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 67,226,753
|
| Investment, Identifier [Axis]: Dominion Energy, Inc., Dominion Energy Common Stock |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Dominion Energy Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 592,040,555
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| Investment, Identifier [Axis]: Fidelity Investments, FIAM Small Cap Core Commingled Pool |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
Fidelity Investments [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 12,111,765
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2025 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 144,563,172
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2030 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 204,981,646
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2035 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 203,391,328
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2040 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 165,585,791
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2045 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 180,225,100
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2050 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 180,500,793
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2055 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 112,045,209
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2060 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 51,988,900
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2065 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 32,036,418
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement 2070 Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 6,343,718
|
| Investment, Identifier [Axis]: The Vanguard Group, Inc., Target Retirement Income & Growth Trust Plus |
|
| EBP, Schedule of Asset Held for Investment [Line Items] |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
The Vanguard Group Inc [Member]
|
| EBP, Investment, Current Value, Type [Extensible Enumeration] |
Common Collective Trust Funds
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Current Value |
$ 138,790,530
|