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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Share Computation | The following table presents the calculation of Dominion Energy’s basic and diluted EPS:
|  | 2020 |  |  | 2019 |  |  | 2018 |
(millions, except EPS) |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Dominion Energy from continuing operations |  | $ | 1,583 |  |  | $ | 653 |  |  | $ | 2,087 |
Preferred stock dividends (see Note 19) |  |  | (65 | ) |  |  | (17 | ) |  |  | — |
Net income attributable to Dominion Energy from continuing operations - Basic |  |  | 1,518 |  |  |  | 636 |  |  |  | 2,087 |
Dilutive effect of Series A Preferred Stock |  |  | (11 | ) |  |  | (28 | ) |  |  | — |
Net income attributable to Dominion Energy from continuing operations - Diluted |  | $ | 1,507 |  |  | $ | 608 |  |  | $ | 2,087 |
Net income (loss) attributable to Dominion Energy from discontinued operations - Basic & Diluted |  | $ | (1,984 | ) |  | $ | 705 |  |  | $ | 360 |
Average shares of common stock outstanding – Basic |  |  | 831.0 |  |  |  | 808.8 |  |  |  | 654.2 |
Net effect of dilutive securities(1) |  |  | — |  |  |  | 0.1 |  |  |  | 0.7 |
Average shares of common stock outstanding – Diluted |  |  | 831.0 |  |  |  | 808.9 |  |  |  | 654.9 |
EPS from continuing operations - Basic |  | $ | 1.83 |  |  | $ | 0.79 |  |  | $ | 3.19 |
EPS from discontinued operations - Basic |  |  | (2.39 | ) |  |  | 0.87 |  |  |  | 0.55 |
EPS attributable to Dominion Energy - Basic |  | $ | (0.56 | ) |  | $ | 1.66 |  |  | $ | 3.74 |
EPS from continuing operations - Diluted |  |  | 1.82 |  |  | $ | 0.75 |  |  | $ | 3.19 |
EPS from discontinued operations - Diluted |  |  | (2.39 | ) |  |  | 0.87 |  |  |  | 0.55 |
EPS attributable to Dominion Energy - Diluted |  | $ | (0.57 | ) |  | $ | 1.62 |  |  | $ | 3.74 |
(1) | Dilutive securities for 2018 consist primarily of forward sale agreements, effective April 2018 to December 2018. See Note 20 for more information.

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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