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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | $ 3,685 | $ 3,794 | $ 8,441 | $ 8,341
Other revenues | [1],[2] | 109 | (198) | 605 | (466)
Total operating revenue |  | 3,794 | 3,596 | 9,046 | 7,875
Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,124 | 1,117 | 2,410 | 2,404
Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,147 | 1,089 | 2,217 | 1,987
Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 211 | 220 | 431 | 417
Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 232 | 297 | 476 | 569
Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 36 | 68 | 80 | 115
Nonregulated Electric Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 125 | 236 | 382 | 603
Regulated Gas Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 285 | 231 | 1,147 | 1,000
Regulated Gas Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 117 | 106 | 431 | 379
Regulated Gas Sales | Other |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 23 | 51 | 58 | 96
Nonregulated Gas Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 6 | 4 | 7 | 5
Regulated Gas Transportation and Storage |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 252 | 241 | 563 | 538
Other Regulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 68 | 73 | 130 | 119
Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3] | 59 | 61 | 109 | 109
Virginia Electric and Power Company |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 2,189 | 2,239 | 4,535 | 4,435
Other revenues | [1],[2] | 62 | (64) | (100) | (93)
Total operating revenue |  | 2,251 | 2,175 | 4,635 | 4,342
Virginia Electric and Power Company | Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 832 | 816 | 1,842 | 1,831
Virginia Electric and Power Company | Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 917 | 874 | 1,783 | 1,591
Virginia Electric and Power Company | Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 99 | 110 | 215 | 213
Virginia Electric and Power Company | Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 213 | 281 | 442 | 539
Virginia Electric and Power Company | Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 22 | 31 | 51 | 63
Virginia Electric and Power Company | Nonregulated Electric Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 22 | 31 | 33 | 45
Virginia Electric and Power Company | Other Regulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 62 | 80 | 136 | 131
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3] | $ 22 | $ 16 | $ 33 | $ 22
[1] | Includes alternative revenue of $57 million and $40 million for the three months ended June 30, 2023 and 2022, respectively, and $114 million and $70 million for the six months ended June 30, 2023 and 2022, respectively, at Dominion Energy and $50 million and $19 million for the three months ended June 30, 2023 and 2022, respectively, and $77 million and $27 million for the six months ended June 30, 2023 and 2022, respectively, at Virginia Power.
[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 $14 million for the three months ended June 30, 2023 and 2022, respectively, and $16 million and $25 million for the six months ended June 30, 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 $24 million and $7 million for the three months ended June 30, 2023 and 2022, respectively, and $29 million and $11 million for the six months ended June 30, 2023 and 2022, respectively, at Dominion Energy and $19 million and less than $1 million for the three months ended June 30, 2023 and 2022, respectively, and $22 million and less than $1 million for the six months ended June 30, 2023 and 2022, respectively, at Virginia Power.

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