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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | $ 4,756 | $ 4,547
Other revenues | [1],[2] | (496) | (268)
Total operating revenue |  | 5,252 | 4,279
Regulated Electric Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1,286 | 1,287
Regulated Electric Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1,070 | 898
Regulated Electric Sales | Industrial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 220 | 197
Regulated Electric Sales | Government and Other Retail |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 244 | 272
Regulated Electric Sales | Wholesale |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 44 | 47
Nonregulated Electric Sales |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 257 | 367
Regulated Gas Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 862 | 769
Regulated Gas Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 314 | 273
Regulated Gas Sales | Other |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 35 | 45
Nonregulated Gas Sales |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1 | 1
Regulated Gas Transportation and Storage |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 311 | 297
Other Regulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 62 | 46
Other Nonregulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [2],[3] | 50 | 48
Virginia Electric and Power Company |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 2,346 | 2,196
Other revenues | [1],[2] | (38) | (29)
Total operating revenue |  | 2,384 | 2,167
Virginia Electric and Power Company | Regulated Electric Sales | Residential |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 1,010 | 1,015
Virginia Electric and Power Company | Regulated Electric Sales | Commercial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 866 | 717
Virginia Electric and Power Company | Regulated Electric Sales | Industrial |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 116 | 103
Virginia Electric and Power Company | Regulated Electric Sales | Government and Other Retail |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 229 | 258
Virginia Electric and Power Company | Regulated Electric Sales | Wholesale |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 29 | 32
Virginia Electric and Power Company | Nonregulated Electric Sales |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 11 | 14
Virginia Electric and Power Company | Other Regulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers |  | 74 | 51
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |
Public Utilities General Disclosures [Line Items] |  |  |
Operating revenue from contracts with customers | [2],[3] | $ 11 | $ 6
[1] | Includes alternative revenue of $57 million and $30 million at Dominion Energy and $27 million and $8 million at Virginia Power for the three months ended March 31, 2023 and 2022, respectively.
[2] | See Note 19 for amounts attributable to affiliates
[3] | Includes sales which are considered to be goods transferred at a point in time of $8 million and $11 million for the three months ended March 31, 2023 and 2022, respectively, at Dominion Energy, primarily consisting of sales of commodities related to nonregulated extraction activities and other miscellaneous products. Additionally, sales of renewable energy credits were $5 million and $4 million for the three months ended March 31, 2023 and 2022, respectively, at Dominion Energy and $3 million and less than $1 million for the three months ended March 31, 2023 and 2022, respectively, at Virginia Power.

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