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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | $ 17,725 | $ 14,170 | $ 13,752
Other revenues | [1],[2],[3] | (551) | (206) | 420
Total operating revenue |  | 17,174 | 13,964 | 14,172
Regulated Electric Sales | Residential |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 5,261 | 4,509 | 4,833
Regulated Electric Sales | Commercial |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 4,480 | 3,194 | 3,102
Regulated Electric Sales | Industrial |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 901 | 748 | 730
Regulated Electric Sales | Government and Other Retail |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 1,235 | 921 | 868
Regulated Electric Sales | Wholesale |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 234 | 175 | 128
Nonregulated Electric Sales |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 1,249 | 1,005 | 823
Regulated Gas Sales | Residential |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 1,816 | 1,455 | 1,283
Regulated Gas Sales | Commercial |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 714 | 527 | 457
Regulated Gas Sales | Other |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 208 | 135 | 88
Nonregulated Gas Sales |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 25 | 96 | 174
Regulated Gas Transportation and Storage |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 1,047 | 945 | 801
Other Regulated Revenues |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 313 | 265 | 327
Other Nonregulated Revenues |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers | [3],[4] | 242 | 195 | 138
Virginia Electric and Power Company |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 9,868 | 7,470 | 7,661
Other revenues | [1],[2],[3] | (214) |  | 102
Total operating revenue |  | 9,654 | 7,470 | 7,763
Virginia Electric and Power Company | Residential |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 4,039 | 3,366 | 3,677
Virginia Electric and Power Company | Commercial |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 3,647 | 2,417 | 2,342
Virginia Electric and Power Company | Industrial |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 472 | 367 | 380
Virginia Electric and Power Company | Government and Other Retail |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 1,172 | 862 | 804
Virginia Electric and Power Company | Wholesale |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 132 | 107 | 90
Virginia Electric and Power Company | Nonregulated Electric Sales |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 68 | 44 | 19
Virginia Electric and Power Company | Other Regulated Revenues |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers |  | 277 | 234 | 299
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |
Operating revenue from contracts with customers | [3],[4] | $ 61 | $ 73 | $ 50
[1] | Includes alternative revenue of $95 million, $56 million and $119 million at Dominion Energy and $72 million, $44 million and $82 million at Virginia Power for years ended December 31, 2022, 2021 and 2020, respectively.
[2] | Includes revenue associated with services provided to discontinued operations of $5 million and $4 million for the years ended December 31, 2021 and 2020, respectively, at Dominion Energy.
[3] | See Note 25 for amounts attributable to related parties and affiliates.
[4] | Includes sales which are considered to be goods transferred at a point in time of $45 million, $34 million and $22 million for the years ended December 31, 2022, 2021 and 2020, 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 $42 million, $33 million and $20 million for the years ended December 31, 2022, 2021 and 2020, respectively, at Dominion Energy and $18 million, $21 million and $11 million for the years ended December 31, 2022, 2021 and 2020, respectively, at Virginia Power.

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