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SEMPRA ENERGY - SHAREHOLDERS' EQUITY AND EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule Of Earnings Per Share Computations | Basic EPS is calculated by dividing earnings attributable to common shares by the weighted-average common shares outstanding for the year. Diluted EPS includes the potential dilution of common stock equivalent shares that could occur if securities or other contracts to issue common stock were exercised or converted into common stock.
EARNINGS PER COMMON SHARE COMPUTATIONS
(Dollars in millions, except per share amounts; shares in thousands)
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Numerator: |  |  |  |  |
Earnings attributable to common shares | $ | 924 |  |  | $ | 256 |  |  | $ | 1,370 |
Denominator: |  |  |  |  |  |  |  |
Weighted-average common shares outstanding for basic EPS(1) | 268,072 |  |  | 251,545 |  |  | 250,217 |
Dilutive effect of stock options, RSAs and RSUs(2) | 919 |  |  | 755 |  |  | 938 |
Dilutive effect of common shares sold forward | 861 |  |  | — |  |  | — |
Weighted-average common shares outstanding for diluted EPS | 269,852 |  |  | 252,300 |  |  | 251,155 |
EPS: |  |  |  |  |  |  |  |
Basic | $ | 3.45 |  |  | $ | 1.02 |  |  | $ | 5.48 |
Diluted | $ | 3.42 |  |  | $ | 1.01 |  |  | $ | 5.46 |
(1) | Includes average fully vested RSUs held in our Deferred Compensation Plan of 641 in 2018, 609 in 2017 and 568 in 2016. These fully vested RSUs are included in weighted-average common shares outstanding for basic EPS because there are no conditions under which the corresponding shares will not be issued.
(2) Due to market fluctuations of both Sempra Energy common stock and the comparative indices used to determine the vesting percentage of our total shareholder return performance-based RSUs, which we discuss in Note 10, dilutive RSUs may vary widely from period-to-period.
Schedule Of Common Stock Activity | The following table provides common stock activity for the last three years.
COMMON STOCK ACTIVITY
| Years ended December 31,
| 2018 |  | 2017 |  | 2016
Common shares outstanding, January 1 | 251,358,977 |  |  | 250,152,514 |  |  | 248,298,080 |
Shares issued under forward sale agreements | 21,175,473 |  |  | — |  |  | — |
RSUs vesting(1) | 509,042 |  |  | 362,022 |  |  | 1,363,555 |
Stock options exercised | 138,861 |  |  | 164,454 |  |  | 167,742 |
Savings plan issuance | 553,036 |  |  | 567,428 |  |  | 653,607 |
Common stock investment plan(2) | 231,242 |  |  | 254,047 |  |  | 266,056 |
Issuance of RSUs held in our Deferred Compensation Plan | 3,357 |  |  | 7,811 |  |  | — |
Shares repurchased(3) | (200,475 | ) |  | (149,299 | ) |  | (596,526 | )
Common shares outstanding, December 31 | 273,769,513 |  |  | 251,358,977 |  |  | 250,152,514 |
(1) | Includes dividend equivalents.
(2) | Participants in the Direct Stock Purchase Plan may reinvest dividends to purchase newly issued shares.
(3) Generally, we purchase shares of our common stock or units from long-term incentive plan participants who elect to sell to us a sufficient number of vested RSAs or RSUs to meet minimum statutory tax withholding requirements.

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