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Operating Segments | 6 Months Ended
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Jun. 30, 2018
Segment Reporting [Abstract] |
Operating Segments | Note 20. Operating Segments The Companies are organized primarily on the basis of products and services sold in the U.S. 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 fleet |  | X |  | X |  |
|  | Merchant electric fleet |  | X |  |  |  |
Gas Infrastructure |  | Gas transmission and storage |  | X |  |  |  | X
|  | Gas distribution and storage |  | X |  |  |  | X
|  | Gas gathering and processing |  | X |  |  |  | X
|  | LNG terminalling and storage |  | X |  |  |  |
|  | Nonregulated retail energy marketing |  | X |  |  |  |
In addition to the operating segments above, the Companies also report a Corporate and Other segment. Dominion Energy The Corporate and Other Segment of Dominion Energy includes its corporate, service company and other functions (including unallocated debt). In addition, Corporate and Other includes specific items attributable to Dominion Energy’s operating segments that are not included in profit measures evaluated by executive management in assessing the segments’ performance or in allocating resources. In the six months ended June 30, 2018, Dominion Energy reported after-tax net expenses of $349 million for specific items in the Corporate and Other segment, with $310 million of net expenses attributable to its operating segments. In the six months ended June 30, 2017, Dominion Energy reported after-tax net expenses of $10 million for specific items in the Corporate and Other segment, with $1 million of net expenses attributable to its operating segments. The net expense for specific items attributable to Dominion Energy’s operating segments in 2018 primarily related to the impact of the following items:
| • | A $215 million ($160 million after-tax) charge associated with Virginia legislation enacted in March 2018 that requires one-time rate credits of certain amounts to utility customers, attributable to:
| • | Power Generation ($109 million after-tax); and
| • | Power Delivery ($51 million after-tax).
| • | A $122 million ($89 million after tax) charge for disallowance of FERC-regulated plant attributable to Gas Infrastructure.
| • | An $81 million ($60 million after-tax) charge associated primarily with the asset retirement obligations for ash ponds and landfills at certain utility generation facilities in connection with the enactment of Virginia legislation in April 2018 attributable to Power Generation.
The following table presents segment information pertaining to Dominion Energy’s operations:
|  | Power Delivery |  |  | Power Generation |  |  | Gas Infrastructure |  |  | Corporate and Other |  |  | Adjustments/ Eliminations |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 528 |  |  | $ | 1,635 |  |  | $ | 914 |  |  | $ | (3 | ) |  | $ | 14 |  |  | $ | 3,088 |
Intersegment revenue |  |  | 6 |  |  |  | 3 |  |  |  | 8 |  |  |  | 170 |  |  |  | (187 | ) |  |  | — |
Total operating revenue |  |  | 534 |  |  |  | 1,638 |  |  |  | 922 |  |  |  | 167 |  |  |  | (173 | ) |  |  | 3,088 |
Net income (loss) attributable to Dominion Energy |  |  | 145 |  |  |  | 276 |  |  |  | 249 |  |  |  | (221 | ) |  |  | — |  |  |  | 449 |
Three Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 530 |  |  | $ | 1,507 |  |  | $ | 589 |  |  | $ | 6 |  |  | $ | 181 |  |  | $ | 2,813 |
Intersegment revenue |  |  | 7 |  |  |  | 2 |  |  |  | 175 |  |  |  | 149 |  |  |  | (333 | ) |  |  | — |
Total operating revenue |  |  | 537 |  |  |  | 1,509 |  |  |  | 764 |  |  |  | 155 |  |  |  | (152 | ) |  |  | 2,813 |
Net income (loss) attributable to Dominion Energy |  |  | 127 |  |  |  | 240 |  |  |  | 163 |  |  |  | (140 | ) |  |  | — |  |  |  | 390 |
Six Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 1,091 |  |  | $ | 3,495 |  |  | $ | 2,136 |  |  | $ | (210 | ) |  | $ | 42 |  |  | $ | 6,554 |
Intersegment revenue |  |  | 12 |  |  |  | 5 |  |  |  | 14 |  |  |  | 345 |  |  |  | (376 | ) |  |  | — |
Total operating revenue |  |  | 1,103 |  |  |  | 3,500 |  |  |  | 2,150 |  |  |  | 135 |  |  |  | (334 | ) |  |  | 6,554 |
Net income (loss) attributable to Dominion Energy |  |  | 301 |  |  |  | 624 |  |  |  | 576 |  |  |  | (549 | ) |  |  | — |  |  |  | 952 |
Six Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 1,084 |  |  | $ | 3,160 |  |  | $ | 1,490 |  |  | $ | 9 |  |  | $ | 454 |  |  | $ | 6,197 |
Intersegment revenue |  |  | 12 |  |  |  | 5 |  |  |  | 441 |  |  |  | 301 |  |  |  | (759 | ) |  |  | — |
Total operating revenue |  |  | 1,096 |  |  |  | 3,165 |  |  |  | 1,931 |  |  |  | 310 |  |  |  | (305 | ) |  |  | 6,197 |
Net income (loss) attributable to Dominion Energy |  |  | 252 |  |  |  | 501 |  |  |  | 426 |  |  |  | (157 | ) |  |  | — |  |  |  | 1,022 |
Intersegment sales and transfers for Dominion Energy are based on contractual arrangements and may result in intersegment profit or loss that is eliminated in consolidation. Virginia Power The Corporate and Other Segment of Virginia Power primarily includes specific items attributable to its operating segments that are not included in profit measures evaluated by executive management in assessing the segments' performance or in allocating resources. In the six months ended June 30, 2018, Virginia Power reported after-tax net expenses of $237 million for specific items in the Corporate and Other segment, with $230 million of net expenses attributable to its operating segments. In the six months ended June 30, 2017, Virginia Power reported after-tax net expenses of $7 million for specific items in the Corporate and Other segment, all of which was attributable to its operating segments. The net expense for specific items attributable to Virginia Power’s operating segments in 2018 primarily related to the impact of the following items:
| • | A $215 million ($160 million after-tax) charge associated with Virginia legislation enacted in March 2018 that requires one-time rate credits of certain amounts to utility customers, attributable to:
| • | Power Generation ($109 million after-tax); and
| • | Power Delivery ($51 million after-tax).
| • | An $81 million ($60 million after-tax) charge associated primarily with the asset retirement obligations for ash ponds and landfills at certain utility generation facilities in connection with the enactment of Virginia legislation in April 2018 attributable to Power Generation.
The net expense for specific items attributable to Virginia Power’s operating segments in 2017 primarily related to the impact of the following item which was attributable to Power Delivery:
| • | A $16 million ($10 million after-tax) charge arising from a proposed customer settlement.
The following table presents segment information pertaining to Virginia Power’s operations:
|  | Power Delivery |  |  | Power Generation |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 528 |  |  | $ | 1,301 |  |  | $ | — |  |  | $ | 1,829 |
Net income (loss) |  |  | 145 |  |  |  | 227 |  |  |  | (33 | ) |  |  | 339 |
Three Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 533 |  |  | $ | 1,214 |  |  | $ | — |  |  | $ | 1,747 |
Net income (loss) |  |  | 125 |  |  |  | 198 |  |  |  | (5 | ) |  |  | 318 |
Six Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,091 |  |  | $ | 2,701 |  |  | $ | (215 | ) |  | $ | 3,577 |
Net income (loss) |  |  | 299 |  |  |  | 449 |  |  |  | (225 | ) |  |  | 523 |
Six Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,090 |  |  | $ | 2,488 |  |  | $ | — |  |  | $ | 3,578 |
Net income |  |  | 250 |  |  |  | 421 |  |  |  | 3 |  |  |  | 674 |
Dominion Energy Gas The Corporate and Other Segment of Dominion Energy Gas primarily includes specific items attributable to Dominion Energy Gas’ operating segment that are not included in profit measures evaluated by executive management in assessing the segment’s performance or in allocating resources and the effect of certain items recorded at Dominion Energy Gas as a result of Dominion Energy’s basis in the net assets contributed. In the six months ended June 30, 2018, Dominion Energy Gas reported after-tax net expenses of $91 million for specific items in the Corporate and Other segment, with $89 million of net expenses attributable to its operating segment. In the six months ended June 30, 2017, Dominion Energy Gas reported after-tax net expenses of $9 million for specific items in the Corporate and Other segment, all of which was attributable to its operating segment. The net expense for specific items in 2018 was due to a $122 million ($89 million after-tax) charge for disallowance of FERC-regulated plant. The net expense for specific items in 2017 was due to a $15 million ($9 million after-tax) charge to write-off the balance of a regulatory asset no longer considered probable of recovery at June 30, 2017. The following table presents segment information pertaining to Dominion Energy Gas’ operations:
|  | Gas Infrastructure |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 459 |  |  | $ | — |  |  | $ | 459 |
Net income (loss) |  |  | 108 |  |  |  | (93 | ) |  |  | 15 |
Three Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 422 |  |  | $ | — |  |  | $ | 422 |
Net income (loss) |  |  | 88 |  |  |  | (11 | ) |  |  | 77 |
Six Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 985 |  |  | $ | — |  |  | $ | 985 |
Net income (loss) |  |  | 275 |  |  |  | (94 | ) |  |  | 181 |
Six Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 912 |  |  | $ | — |  |  | $ | 912 |
Net income (loss) |  |  | 197 |  |  |  | (12 | ) |  |  | 185 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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