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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Earnings Per Share Computation | The following table presents the calculation of Dominion Energy’s basic and diluted EPS:
| Three Months Ended June 30, |  |  | Six Months Ended June 30, |
| 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
(millions, except EPS) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Dominion Energy | $ | 449 |  |  | $ | 390 |  |  | $ | 952 |  |  | $ | 1,022 |
Average shares of common stock outstanding – Basic |  | 652.8 |  |  |  | 629.2 |  |  |  | 651.6 |  |  |  | 628.7 |
Net effect of dilutive securities |  | 0.3 |  |  |  | — |  |  |  | 0.2 |  |  |  | — |
Average shares of common stock outstanding – Diluted |  | 653.1 |  |  |  | 629.2 |  |  |  | 651.8 |  |  |  | 628.7 |
Earnings Per Common Share – Basic | $ | 0.69 |  |  | $ | 0.62 |  |  | $ | 1.46 |  |  | $ | 1.63 |
Earnings Per Common Share – Diluted | $ | 0.69 |  |  | $ | 0.62 |  |  | $ | 1.46 |  |  | $ | 1.63 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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