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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | $ 4,085 | $ 3,524
Other revenues | [1],[2] | (9) | 108
Total operating revenue |  | 4,076 | 3,632
Regulated Electric Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1,569 | 1,365
Regulated Electric Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [3] | 1,238 | 1,094
Regulated Electric Sales | Industrial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 194 | 213
Regulated Electric Sales | Government and Other Retail |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 308 | 257
Regulated Electric Sales | Wholesale |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 43 | 36
Nonregulated Electric Sales |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 372 | 220
Regulated Gas Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 172 | 151
Regulated Gas Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 53 | 48
Regulated Gas Sales | Other |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 27 | 19
Regulated Gas Transportation and Storage |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 6 | 4
Other Regulated Revenue |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 44 | 88
Other Nonregulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [2],[4],[5] | 59 | 29
Virginia Electric and Power Company |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 2,751 | 2,417
Other revenues | [1],[2] | 14 | 72
Total operating revenue |  | 2,765 | 2,489
Virginia Electric and Power Company | Regulated Electric Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1,224 | 1,052
Virginia Electric and Power Company | Regulated Electric Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [3] | 1,027 | 881
Virginia Electric and Power Company | Regulated Electric Sales | Industrial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 97 | 106
Virginia Electric and Power Company | Regulated Electric Sales | Government and Other Retail |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 291 | 241
Virginia Electric and Power Company | Regulated Electric Sales | Wholesale |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 37 | 29
Virginia Electric and Power Company | Nonregulated Electric Sales |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 23 | 14
Virginia Electric and Power Company | Other Regulated Revenue |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 39 | 84
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [2],[4],[5] | $ 13 | $ 10
[1] | Includes alternative revenue of $22 million and $28 million for the three months ended March 31, 2025 and 2024, respectively, at both Dominion Energy and Virginia Power.
[2] | See Note 19 for amounts attributable to affiliates.
[3] | Includes large scale users including certain data center customers.
[4] | Includes revenue from transition services agreements of $27 million and $4 million for the three months ended March 31, 2025 and 2024, respectively, at Dominion Energy.
[5] | Includes sales of renewable energy credits of $10 million and $5 million for the three months ended March 31, 2025 and 2024, respectively, at Dominion Energy and $4 million and $2 million for the three months ended March 31, 2025 and 2024, respectively, at Virginia Power.

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