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Operating Segments (Tables) | 12 Months Ended
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Dec. 31, 2018
Segment Reporting Disclosure Other Information | 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
Power Delivery |  | Regulated electric distribution |  | X |  | X |  |
|  | Regulated electric transmission |  | X |  | X |  |
Power Generation |  | Regulated electric generation fleet |  | X |  | X |  |
|  | Merchant electric generation fleet |  | X |  |  |  |
Gas Infrastructure |  | Gas transmission and storage |  | X(1) |  |  |  | X
|  | Gas distribution and storage |  | X |  |  |  | X
|  | Gas gathering and processing |  | X |  |  |  | X
|  | LNG terminalling and storage |  | X |  |  |  |
|  | Nonregulated retail energy marketing |  | X |  |  |  |
(1) | Includes remaining producer services activities.
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy’s operations:
Year Ended December 31, |  | Power Delivery |  |  | Power Generation |  |  | Gas Infrastructure |  |  | Corporate and Other |  |  | Adjustments & Eliminations |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 2,206 |  |  | $ | 7,104 |  |  | $ | 4,221 |  |  | $ | (208 | ) |  | $ | 43 |  |  | $ | 13,366 |
Intersegment revenue |  |  | 23 |  |  |  | 11 |  |  |  | 27 |  |  |  | 674 |  |  |  | (735 | ) |  |  | — |
Total operating revenue |  |  | 2,229 |  |  |  | 7,115 |  |  |  | 4,248 |  |  |  | 466 |  |  |  | (692 | ) |  |  | 13,366 |
Depreciation, depletion and amortization |  |  | 625 |  |  |  | 746 |  |  |  | 615 |  |  |  | 14 |  |  |  | — |  |  |  | 2,000 |
Impairment of assets and related charges |  |  | — |  |  |  | 1 |  |  |  | 8 |  |  |  | 394 |  |  |  | — |  |  |  | 403 |
Gains on sales of assets |  |  | — |  |  |  | 6 |  |  |  | (186 | ) |  |  | (200 | ) |  |  | — |  |  |  | (380 | )
Equity in earnings of equity method investees |  |  | — |  |  |  | 18 |  |  |  | 178 |  |  |  | 1 |  |  |  | — |  |  |  | 197 |
Interest income |  |  | — |  |  |  | 90 |  |  |  | 64 |  |  |  | 126 |  |  |  | (196 | ) |  |  | 84 |
Interest and related charges |  |  | 265 |  |  |  | 374 |  |  |  | 268 |  |  |  | 782 |  |  |  | (196 | ) |  |  | 1,493 |
Income tax expense (benefit) |  |  | 160 |  |  |  | 294 |  |  |  | 330 |  |  |  | (204 | ) |  |  | — |  |  |  | 580 |
Net income (loss) attributable to Dominion Energy |  |  | 587 |  |  |  | 1,254 |  |  |  | 1,214 |  |  |  | (608 | ) |  |  | — |  |  |  | 2,447 |
Investment in equity method investees |  |  | — |  |  |  | 82 |  |  |  | 1,159 |  |  |  | 37 |  |  |  | — |  |  |  | 1,278 |
Capital expenditures |  |  | 1,564 |  |  |  | 1,321 |  |  |  | 1,415 |  |  |  | 105 |  |  |  | — |  |  |  | 4,405 |
Total assets (billions) |  |  | 17.8 |  |  |  | 28.2 |  |  |  | 31.5 |  |  |  | 11.2 |  |  |  | (10.8 | ) |  |  | 77.9 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 2,206 |  |  | $ | 6,676 |  |  | $ | 2,832 |  |  | $ | 16 |  |  | $ | 856 |  |  | $ | 12,586 |
Intersegment revenue |  |  | 22 |  |  |  | 10 |  |  |  | 834 |  |  |  | 610 |  |  |  | (1,476 | ) |  |  | — |
Total operating revenue |  |  | 2,228 |  |  |  | 6,686 |  |  |  | 3,666 |  |  |  | 626 |  |  |  | (620 | ) |  |  | 12,586 |
Depreciation, depletion and amortization |  |  | 593 |  |  |  | 747 |  |  |  | 522 |  |  |  | 43 |  |  |  | — |  |  |  | 1,905 |
Impairment of assets and related charges |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 15 |  |  |  | — |  |  |  | 15 |
Gains on sales of assets |  |  | — |  |  |  | — |  |  |  | (147 | ) |  |  | — |  |  |  | — |  |  |  | (147 | )
Equity in earnings of equity method investees |  |  | — |  |  |  | (181 | ) |  |  | 159 |  |  |  | 4 |  |  |  | — |  |  |  | (18 | )
Interest income |  |  | 4 |  |  |  | 92 |  |  |  | 45 |  |  |  | 96 |  |  |  | (155 | ) |  |  | 82 |
Interest and related charges |  |  | 265 |  |  |  | 342 |  |  |  | 109 |  |  |  | 644 |  |  |  | (155 | ) |  |  | 1,205 |
Income tax expense (benefit) |  |  | 334 |  |  |  | 373 |  |  |  | 487 |  |  |  | (1,224 | ) |  |  | — |  |  |  | (30 | )
Net income (loss) attributable to Dominion Energy |  |  | 531 |  |  |  | 1,181 |  |  |  | 898 |  |  |  | 389 |  |  |  | — |  |  |  | 2,999 |
Investment in equity method investees |  |  | — |  |  |  | 81 |  |  |  | 1,422 |  |  |  | 41 |  |  |  | — |  |  |  | 1,544 |
Capital expenditures |  |  | 1,433 |  |  |  | 2,275 |  |  |  | 2,149 |  |  |  | 52 |  |  |  | — |  |  |  | 5,909 |
Total assets (billions) |  |  | 16.7 |  |  |  | 29.0 |  |  |  | 28.0 |  |  |  | 12.0 |  |  |  | (9.1 | ) |  |  | 76.6 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 2,210 |  |  | $ | 6,747 |  |  | $ | 2,069 |  |  | $ | (7 | ) |  | $ | 718 |  |  | $ | 11,737 |
Intersegment revenue |  |  | 23 |  |  |  | 10 |  |  |  | 697 |  |  |  | 609 |  |  |  | (1,339 | ) |  |  | — |
Total operating revenue |  |  | 2,233 |  |  |  | 6,757 |  |  |  | 2,766 |  |  |  | 602 |  |  |  | (621 | ) |  |  | 11,737 |
Depreciation, depletion and amortization |  |  | 537 |  |  |  | 662 |  |  |  | 330 |  |  |  | 30 |  |  |  | — |  |  |  | 1,559 |
Impairment of assets and related charges |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | — |  |  |  | 4 |
Gains on sales of assets |  |  | — |  |  |  | 4 |  |  |  | (44 | ) |  |  | — |  |  |  | — |  |  |  | (40 | )
Equity in earnings of equity method investees |  |  | — |  |  |  | (16 | ) |  |  | 105 |  |  |  | 22 |  |  |  | — |  |  |  | 111 |
Interest income |  |  | — |  |  |  | 74 |  |  |  | 34 |  |  |  | 36 |  |  |  | (78 | ) |  |  | 66 |
Interest and related charges |  |  | 244 |  |  |  | 290 |  |  |  | 38 |  |  |  | 516 |  |  |  | (78 | ) |  |  | 1,010 |
Income tax expense (benefit) |  |  | 308 |  |  |  | 279 |  |  |  | 431 |  |  |  | (363 | ) |  |  | — |  |  |  | 655 |
Net income (loss) attributable to Dominion Energy |  |  | 484 |  |  |  | 1,397 |  |  |  | 726 |  |  |  | (484 | ) |  |  | — |  |  |  | 2,123 |
Capital expenditures |  |  | 1,320 |  |  |  | 2,440 |  |  |  | 2,322 |  |  |  | 43 |  |  |  | — |  |  |  | 6,125 |
Virginia Electric and Power Company |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Virginia Power’s operations:
Year Ended December 31, |  | Power Delivery |  |  | Power Generation |  |  | Corporate and Other |  |  | Adjustments & Eliminations |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,204 |  |  | $ | 5,630 |  |  | $ | (215 | ) |  | $ | — |  |  | $ | 7,619 |
Depreciation and amortization |  |  | 624 |  |  |  | 533 |  |  |  | (25 | ) |  |  | — |  |  |  | 1,132 |
Interest income |  |  | — |  |  |  | 9 |  |  |  | 5 |  |  |  | (4 | ) |  |  | 10 |
Interest and related charges |  |  | 265 |  |  |  | 250 |  |  |  | — |  |  |  | (4 | ) |  |  | 511 |
Income tax expense (benefit) |  |  | 158 |  |  |  | 220 |  |  |  | (78 | ) |  |  | — |  |  |  | 300 |
Net income (loss) |  |  | 586 |  |  |  | 1,008 |  |  |  | (312 | ) |  |  | — |  |  |  | 1,282 |
Capital expenditures |  |  | 1,539 |  |  |  | 1,003 |  |  |  | — |  |  |  | — |  |  |  | 2,542 |
Total assets (billions) |  |  | 17.6 |  |  |  | 19.4 |  |  |  | — |  |  |  | (0.1 | ) |  |  | 36.9 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,212 |  |  | $ | 5,344 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,556 |
Depreciation and amortization |  |  | 594 |  |  |  | 547 |  |  |  | — |  |  |  | — |  |  |  | 1,141 |
Interest income |  |  | 4 |  |  |  | 15 |  |  |  | 3 |  |  |  | (3 | ) |  |  | 19 |
Interest and related charges |  |  | 265 |  |  |  | 232 |  |  |  | — |  |  |  | (3 | ) |  |  | 494 |
Income tax expense (benefit) |  |  | 334 |  |  |  | 534 |  |  |  | (94 | ) |  |  | — |  |  |  | 774 |
Net income |  |  | 527 |  |  |  | 939 |  |  |  | 74 |  |  |  | — |  |  |  | 1,540 |
Capital expenditures |  |  | 1,439 |  |  |  | 1,290 |  |  |  | — |  |  |  | — |  |  |  | 2,729 |
Total assets (billions) |  |  | 16.6 |  |  |  | 18.6 |  |  |  | — |  |  |  | (0.1 | ) |  |  | 35.1 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 2,217 |  |  | $ | 5,390 |  |  | $ | (19 | ) |  | $ | — |  |  | $ | 7,588 |
Depreciation and amortization |  |  | 537 |  |  |  | 488 |  |  |  | — |  |  |  | — |  |  |  | 1,025 |
Interest income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Interest and related charges |  |  | 244 |  |  |  | 219 |  |  |  | — |  |  |  | (2 | ) |  |  | 461 |
Income tax expense (benefit) |  |  | 307 |  |  |  | 524 |  |  |  | (104 | ) |  |  | — |  |  |  | 727 |
Net income (loss) |  |  | 482 |  |  |  | 909 |  |  |  | (173 | ) |  |  | — |  |  |  | 1,218 |
Capital expenditures |  |  | 1,313 |  |  |  | 1,336 |  |  |  | — |  |  |  | — |  |  |  | 2,649 |
Dominion Energy Gas Holdings, LLC |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy Gas’ operations:
Year Ended December 31, |  | Gas Infrastructure |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,940 |  |  | $ | — |  |  | $ | 1,940 |
Depreciation and amortization |  |  | 244 |  |  |  | — |  |  |  | 244 |
Impairment of assets and related charges |  |  | 5 |  |  |  | 341 |  |  |  | 346 |
Gains on sales of assets |  |  | (119 | ) |  |  | — |  |  |  | (119 | )
Equity in earnings of equity method investees |  |  | 24 |  |  |  | — |  |  |  | 24 |
Interest income |  |  | 2 |  |  |  | — |  |  |  | 2 |
Interest and related charges |  |  | 104 |  |  |  | 1 |  |  |  | 105 |
Income tax expense (benefit) |  |  | 188 |  |  |  | (102 | ) |  |  | 86 |
Net income (loss) |  |  | 552 |  |  |  | (251 | ) |  |  | 301 |
Investment in equity method investees |  |  | 91 |  |  |  | — |  |  |  | 91 |
Capital expenditures |  |  | 772 |  |  |  | — |  |  |  | 772 |
Total assets (billions) |  |  | 11.8 |  |  |  | 0.6 |  |  |  | 12.4 |
2017 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,814 |  |  | $ | — |  |  | $ | 1,814 |
Depreciation and amortization |  |  | 227 |  |  |  | — |  |  |  | 227 |
Impairment of assets and related charges |  |  | 15 |  |  |  | 1 |  |  |  | 16 |
Gains on sales of assets |  |  | (70 | ) |  |  | — |  |  |  | (70 | )
Equity in earnings of equity method investees |  |  | 21 |  |  |  | — |  |  |  | 21 |
Interest income |  |  | 2 |  |  |  | — |  |  |  | 2 |
Interest and related charges |  |  | 97 |  |  |  | — |  |  |  | 97 |
Income tax expense (benefit) |  |  | 256 |  |  |  | (205 | ) |  |  | 51 |
Net income |  |  | 436 |  |  |  | 179 |  |  |  | 615 |
Investment in equity method investees |  |  | 95 |  |  |  | — |  |  |  | 95 |
Capital expenditures |  |  | 778 |  |  |  | — |  |  |  | 778 |
Total assets (billions) |  |  | 11.3 |  |  |  | 0.6 |  |  |  | 11.9 |
2016 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,638 |  |  | $ | — |  |  | $ | 1,638 |
Depreciation and amortization |  |  | 214 |  |  |  | (10 | ) |  |  | 204 |
Gains on sales of assets |  |  | (45 | ) |  |  | — |  |  |  | (45 | )
Equity in earnings of equity method investees |  |  | 21 |  |  |  | — |  |  |  | 21 |
Interest income |  |  | 1 |  |  |  | — |  |  |  | 1 |
Interest and related charges |  |  | 92 |  |  |  | 2 |  |  |  | 94 |
Income tax expense (benefit) |  |  | 237 |  |  |  | (22 | ) |  |  | 215 |
Net income (loss) |  |  | 395 |  |  |  | (3 | ) |  |  | 392 |
Capital expenditures |  |  | 854 |  |  |  | — |  |  |  | 854 |

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