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Operating Segments (Tables) | 3 Months Ended
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Mar. 31, 2020
Segment Reporting Information [Line Items] |
Schedule of Primary Operating Segments | A description of the operations included in the Companies’ primary operating segments is as follows:
Primary Operating Segment |  | Description of Operations |  | Dominion Energy |  | Virginia Power |  | Dominion Energy Gas
Dominion Energy Virginia |  | Regulated electric distribution |  | X |  | X |  |
|  | Regulated electric transmission |  | X |  | X |  |
|  | Regulated electric generation fleet(1) |  | X |  | X |  |
Gas Transmission & Storage |  | Regulated gas transmission and storage(2) |  | X |  |  |  | X
|  | LNG terminalling and storage |  | X |  |  |  | X
|  | Nonregulated retail energy marketing |  | X |  |  |  |
Gas Distribution |  | Regulated gas distribution and storage(3) |  | X |  |  |  |
Dominion Energy South Carolina |  | Regulated electric distribution |  | X |  |  |  |
|  | Regulated electric transmission |  | X |  |  |  |
|  | Regulated electric generation fleet |  | X |  |  |  |
|  | Regulated gas distribution and storage |  | X |  |  |  |
Contracted Generation |  | Merchant electric generation fleet |  | X |  |  |  |
(1) | Includes Virginia Power’s nonjurisdictional generation operations.
(2) | Includes gathering and processing activities.
(3) | Includes Wexpro’s gas development and production operations.
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy’s operations:
|  | Dominion Energy Virginia |  |  | Gas Transmission & Storage |  |  | Gas Distribution |  |  | Dominion Energy South Carolina |  |  | Contracted Generation |  |  | Corporate and Other |  |  | Adjustments & Eliminations |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 1,938 |  |  | $ | 644 |  |  | $ | 887 |  |  | $ | 713 |  |  | $ | 286 |  |  | $ | 28 |  |  | $ | — |  |  | $ | 4,496 |
Intersegment revenue |  |  | (3 | ) |  |  | 57 |  |  |  | 3 |  |  |  | 1 |  |  |  | 4 |  |  |  | 279 |  |  |  | (341 | ) |  |  | — |
Total operating revenue |  |  | 1,935 |  |  |  | 701 |  |  |  | 890 |  |  |  | 714 |  |  |  | 290 |  |  |  | 307 |  |  |  | (341 | ) |  |  | 4,496 |
Net income (loss) attributable to Dominion Energy |  |  | 429 |  |  |  | 221 |  |  |  | 225 |  |  |  | 94 |  |  |  | 59 |  |  |  | (1,298 | ) |  |  | - |  |  |  | (270 | )
Three Months Ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 2,001 |  |  | $ | 984 |  |  | $ | 917 |  |  | $ | 689 |  |  | $ | 352 |  |  | $ | (1,052 | ) |  | $ | (33 | ) |  | $ | 3,858 |
Intersegment revenue |  |  | (4 | ) |  |  | 54 |  |  |  | 4 |  |  |  | — |  |  |  | 3 |  |  |  | 277 |  |  |  | (334 | ) |  |  | — |
Total operating revenue |  |  | 1,997 |  |  |  | 1,038 |  |  |  | 921 |  |  |  | 689 |  |  |  | 355 |  |  |  | (775 | ) |  |  | (367 | ) |  |  | 3,858 |
Net income (loss) attributable to Dominion Energy |  |  | 361 |  |  |  | 222 |  |  |  | 205 |  |  |  | 71 |  |  |  | 102 |  |  |  | (1,641 | ) |  |  | - |  |  |  | (680 | )
Virginia Electric and Power Company |
Segment Reporting Information [Line Items] |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Virginia Power’s operations:
|  | Dominion Energy Virginia |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,930 |  |  | $ | — |  |  | $ | 1,930 |
Net income (loss) |  |  | 427 |  |  |  | (707 | ) |  |  | (280 | )
Three Months Ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,994 |  |  | $ | (29 | ) |  | $ | 1,965 |
Net income (loss) |  |  | 358 |  |  |  | (338 | ) |  |  | 20 |
Dominion Energy Gas Holdings, LLC |
Segment Reporting Information [Line Items] |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy Gas’ operations:
|  | Gas Transmission & Storage |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 556 |  |  | $ | — |  |  | $ | 556 |
Net income (loss) attributable to Dominion Energy Gas |  |  | 174 |  |  |  | (5 | ) |  |  | 169 |
Three Months Ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 566 |  |  | $ | — |  |  | $ | 566 |
Net income from discontinued operations |  |  | — |  |  |  | 54 |  |  |  | 54 |
Net income (loss) attributable to Dominion Energy Gas |  |  | 138 |  |  |  | 52 |  |  |  | 190 |

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