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v3.25.2

Property, Plant and Equipment (Narrative) (Detail) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) MVA
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Noncontrolling Interests | $ 54 | [1] | $ 0 |  | $ 100 | [2] | $ 0 |  |
Income tax expense (benefit) | 220 | [3] | 112 | [3] | 260 | [4] | 208 | [4] |
Impairment of assets and other charges | 50 |  | 67 |  | 96 |  | 97 |  |
Corporate Office Building | Level 3 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Long-lived assets, estimated fair value |  |  | 23 |  |  |  | 23 |  |
Corporate Office Building | Impairment of Assets and Other Charges |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  | 17 |  |  |  |  |  |
Asset impairment charges after tax |  |  | 12 |  |  |  |  |  |
Nonregulated renewable natural gas facilities | Minimum | Level 3 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Long-lived assets, estimated fair value |  |  | 1 |  |  |  | 1 |  |
Nonregulated renewable natural gas facilities | Impairment of Assets and Other Charges |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Impairment of assets and other charges |  |  | 33 |  |  |  |  |  |
Asset impairment charges after tax |  |  | 25 |  |  |  |  |  |
Virginia Electric and Power Company |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Noncontrolling Interests | 54 | [5] | 0 |  | 100 | [6] | 0 |  |
Income tax expense (benefit) | 115 | [7] | $ 120 | [7] | 205 | [8] | $ 253 | [8] |
Virginia Electric and Power Company | CVOW Commercial Project |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Charge for costs not expected to be recovered | 51 |  |  |  | 96 |  |  |  |
Noncontrolling Interests | $ 26 |  |  |  | $ 48 |  |  |  |
Percentage of remaining construction costs, including contingency | 7.00% |  |  |  | 7.00% |  |  |  |
Income tax expense (benefit) | $ 6 |  |  |  | $ 12 |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  | 50.00%
Virginia Electric and Power Company | CVOW Commercial Project | End of 2026 |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Targeted capacity provided by legislation | MVA |  |  |  |  |  |  |  |  | 2.6
Anticipated projected cost |  |  |  |  |  |  |  |  | $ 10,900
Virginia Electric and Power Company | CVOW Commercial Project | End of 2026 | Maximum |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Anticipated projected cost | 300 |  |  |  | 300 |  |  |  |
Virginia Electric and Power Company | CVOW Commercial Project | Trade Agreement Announced in July 2025 | Maximum |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Anticipated projected cost | 100 |  |  |  | 100 |  |  |  |
Virginia Electric and Power Company | CVOW Commercial Project | May 2025 Construction Update Filing |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Anticipated projected cost | 100 |  |  |  | 100 |  |  |  |
Virginia Electric and Power Company | CVOW Commercial Project | February 2025 Construction Update Filing |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Anticipated projected cost | $ 200 |  |  |  | $ 200 |  |  |  |
[1] | Items designated are other segment items for each reportable segment.
[2] | Items designated are other segment items for each reportable segment.
[3] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Dominion Energy’s CODM.
[4] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Dominion Energy’s CODM.
[5] | Items designated are other segment items for each reportable segment.
[6] | Items designated are other segment items for each reportable segment.
[7] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Virginia Power’s CODM.
[8] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Virginia Power’s CODM.

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