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Earnings Per Share | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The following table presents the calculation of Dominion’s basic and diluted EPS:
| Three Months Ended March 31,
| 2017 | 2016
(millions, except EPS) |
Net income attributable to Dominion | $ | 632 |  | $ | 524 |
Average shares of common stock outstanding – Basic | 628.1 |  | 596.6 |
Net effect of dilutive securities(1) | — |  | 1.6 |
Average shares of common stock outstanding – Diluted | 628.1 |  | 598.2 |
Earnings Per Common Share – Basic | $ | 1.01 |  | $ | 0.88 |
Earnings Per Common Share – Diluted | $ | 1.01 |  | $ | 0.88 |
(1) | Dilutive securities consist primarily of the 2013 Equity Units for the three months ended March 31, 2016. See Note 17 to the Consolidated Financial Statements in the Companies' Annual Report on Form 10-K for the year ended December 31, 2016 for more information.
The 2014 Equity Units are potentially dilutive securities but were excluded from the calculation of diluted EPS for the three months ended March 31, 2017 and 2016, as the dilutive stock price threshold was not met. The 2016 Equity Units are potentially dilutive securities but were excluded from the calculation of diluted EPS for the three months ended March 31, 2017, as the dilutive stock price threshold was not met. The Dominion Midstream convertible preferred units are potentially dilutive securities but had no effect on the calculation of diluted EPS for the three months ended March 31, 2017.

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