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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | $ 3,785 | $ 3,758 | $ 10,764 | $ 10,290
Other revenues | [1],[2] | 156 | 52 | 295 | 569
Total operating revenue |  | 3,941 | 3,810 | 11,059 | 10,859
Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,535 | 1,558 | 4,184 | 3,968
Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,248 | 1,236 | 3,533 | 3,453
Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 216 | 227 | 642 | 658
Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 303 | 288 | 812 | 764
Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 39 | 53 | 108 | 133
Nonregulated Electric Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 239 | 229 | 693 | 611
Regulated Gas Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 30 | 28 | 223 | 207
Regulated Gas Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 24 | 25 | 100 | 106
Regulated Gas Sales | Other |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 15 | 19 | 50 | 58
Regulated Gas Transportation and Storage |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 6 | 4 | 15 | 13
Other regulated revenue |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 87 | 61 | 293 | 204
Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3],[4] | 43 | 30 | 111 | 115
Virginia Electric and Power Company |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 2,705 | 2,598 | 7,590 | 7,133
Other revenues | [1],[2] | 57 | 47 | 198 | 148
Total operating revenue |  | 2,762 | 2,645 | 7,788 | 7,281
Virginia Electric and Power Company | Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,155 | 1,133 | 3,183 | 2,975
Virginia Electric and Power Company | Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 998 | 962 | 2,851 | 2,745
Virginia Electric and Power Company | Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 113 | 109 | 330 | 324
Virginia Electric and Power Company | Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 285 | 269 | 763 | 711
Virginia Electric and Power Company | Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 29 | 37 | 82 | 88
Virginia Electric and Power Company | Nonregulated Electric Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 30 | 22 | 69 | 55
Virginia Electric and Power Company | Other regulated revenue |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 84 | 57 | 282 | 193
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3],[4] | $ 11 | $ 9 | $ 30 | $ 42
[1] | Includes alternative revenue of $24 million and $34 million for the three months ended September 30, 2024 and 2023, respectively, and $85 million and $111 million for the nine months ended September 30, 2024 and 2023, respectively, at both Dominion Energy and Virginia Power.
[2] | See Note 19 for amounts attributable to affiliates.
[3] | Includes revenue from transition services agreements of $17 million and $3 million for the three months ended September 30, 2024 and 2023, respectively, and $34 million and $16 million for the nine months ended September 30, 2024 and 2023, respectively, at Dominion Energy.
[4] | Sales of renewable energy credits were $10 million and $7 million for the three months ended September 30, 2024 and 2023, respectively, and $22 million and $36 million for the nine months ended September 30, 2024 and 2023, respectively, at Dominion Energy and $4 million and $2 million for the three months ended September 30, 2024 and 2023, respectively, and $9 million and $24 million for the nine months ended September 30, 2024 and 2023, respectively, at Virginia Power.

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