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Operating Segments | 3 Months Ended
--- | ---
Mar. 31, 2017
Segment Reporting [Abstract] |
Operating Segments | 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 | Virginia Power | Dominion Gas
DVP | Regulated electric distribution | X | X |
| Regulated electric transmission | X | X |
Dominion Generation | Regulated electric fleet | X | X |
| Merchant electric fleet | X |  |
Dominion Energy | Gas transmission and storage | X |  | X
| Gas distribution and storage | X |  | X
| Gas gathering and processing | X |  | X
| LNG import 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 The Corporate and Other Segment of Dominion includes its corporate, service company and other functions (including unallocated debt) and the net impact of operations that are discontinued or sold. In addition, Corporate and Other includes specific items attributable to Dominion'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 three months ended March 31, 2017, Dominion reported after-tax net income of $21 million for specific items in the Corporate and Other segment, all of which was attributable to its operating segments. In the three months ended March 31, 2016, Dominion reported an after-tax net expense of $48 million for specific items in the Corporate and Other segment, with $38 million of these net expenses attributable to its operating segments. The net income for specific items attributable to Dominion's operating segments in 2017 primarily related to the impact of the following item which was attributable to Dominion Generation:
• | A $34 million ($21 million after-tax) net gain on investments held in nuclear decommissioning trust funds.
The net expense for specific items attributable to Dominion's operating segments in 2016 primarily related to the impact of the following item:
• | A $66 million ($41 million after-tax) charge related to an organizational design initiative, attributable to:
• | DVP ($6 million after-tax);
• | Dominion Energy ($12 million after-tax); and
• | Dominion Generation ($23 million after-tax).
The following table presents segment information pertaining to Dominion’s operations:
| DVP | Dominion Generation | Dominion Energy | Corporate and Other | Adjustments/Eliminations | Consolidated Total
(millions) |  |  |  |  |  |
Three Months Ended March 31, 2017 |  |  |  |  |  |
Total revenue from external customers | $ | 554 |  | $ | 1,653 |  | $ | 901 |  | $ | 3 |  | $ | 273 |  | $ | 3,384 |
Intersegment revenue | 5 |  | 3 |  | 266 |  | 152 |  | (426 | ) | — |
Total operating revenue | 559 |  | 1,656 |  | 1,167 |  | 155 |  | (153 | ) | 3,384 |
Net income (loss) attributable to Dominion | 125 |  | 261 |  | 263 |  | (17 | ) | — |  | 632 |
Three Months Ended March 31, 2016 |  |  |  |  |  |
Total revenue from external customers | $ | 556 |  | $ | 1,693 |  | $ | 485 |  | $ | 3 |  | $ | 184 |  | $ | 2,921 |
Intersegment revenue | 5 |  | 3 |  | 178 |  | 192 |  | (378 | ) | — |
Total operating revenue | 561 |  | 1,696 |  | 663 |  | 195 |  | (194 | ) | 2,921 |
Net income (loss) attributable to Dominion | 120 |  | 245 |  | 186 |  | (27 | ) | — |  | 524 |
Intersegment sales and transfers for Dominion 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 three months ended March 31, 2017, Virginia Power reported after-tax net income of $2 million for specific items in the Corporate and Other segment, all of which was attributable to its operating segments. In the three months ended March 31, 2016, Virginia Power reported an after-tax net expense of $26 million for specific items in the Corporate and Other segment, with $25 million of these net expenses attributable to its operating segments. The net expense for specific items attributable to Virginia Power's operating segments in 2016 primarily related to the impact of the following item:
• | A $40 million ($25 million after-tax) charge related to an organizational design initiative, attributable to:
• | DVP ($6 million after-tax); and
• | Dominion Generation ($19 million after-tax).
The following table presents segment information pertaining to Virginia Power’s operations:
| DVP | Dominion Generation | Corporate and Other | Consolidated Total
(millions) |  |  |  |
Three Months Ended March 31, 2017 |  |  |  |
Operating revenue | $ | 557 |  | $ | 1,274 |  | $ | — |  | $ | 1,831 |
Net income | 125 |  | 223 |  | 8 |  | 356 |
Three Months Ended March 31, 2016 |  |  |  |
Operating revenue | $ | 557 |  | $ | 1,333 |  | $ | — |  | $ | 1,890 |
Net income (loss) | 118 |  | 166 |  | (21 | ) | 263 |
Dominion Gas The Corporate and Other Segment of Dominion Gas primarily includes specific items attributable to Dominion 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 Gas as a result of Dominion's basis in the net assets contributed. In the three months ended March 31, 2017, Dominion Gas reported no specific items in the Corporate and Other segment. In the three months ended March 31, 2016, Dominion Gas reported an after-tax net expense of $2 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 2016 primarily related to an $8 million ($5 million after-tax) charge related to an organizational design initiative. The following table presents segment information pertaining to Dominion Gas' operations:
| Dominion Energy | Corporate and Other | Consolidated Total
(millions) |  |  |
Three Months Ended March 31, 2017 |  |  |
Operating revenue | $ | 490 |  | $ | — |  | $ | 490 |
Net income (loss) | 109 |  | (1 | ) | 108 |
Three Months Ended March 31, 2016 |  |  |  |  |  |
Operating revenue | $ | 431 |  | $ | — |  | $ | 431 |
Net income (loss) | 103 |  | (5 | ) | 98 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 + Details
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