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Earnings Per Share | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE Basic and diluted earnings per share are based on the weighted-average number of shares of common stock and potential common stock outstanding during the period. Potential common stock, for purposes of determining diluted earnings per share, includes the effects of dilutive RSUs, stock options and convertible securities. The effect of such potential common stock is computed using the treasury stock method or the if-converted method, as applicable. The following table is a reconciliation of the numerator and denominator of the basic and diluted earnings per share computation for income from continuing operations for the years ended December 31, 2018, 2017 and 2016, where income represents the numerator and weighted-average shares represent the denominator.
Year Ended December 31, | 2018 |  | 2017 |  | 2016
(in millions, except per share data) | Income |  | Shares |  | $ per Share |  | Loss |  | Shares |  | $ per Share |  | Loss |  | Shares |  | $ per Share
BASIC EARNINGS (LOSS) PER SHARE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations attributable to The AES Corporation common stockholders (1) | $ | 985 |  |  | 662 |  |  | $ | 1.49 |  |  | $ | (507 | ) |  | 660 |  |  | $ | (0.77 | ) |  | $ | (25 | ) |  | 660 |  |  | $ | (0.04 | )
EFFECT OF DILUTIVE SECURITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock units | — |  |  | 3 |  |  | (0.01 | ) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
DILUTED EARNINGS (LOSS) PER SHARE | $ | 985 |  |  | 665 |  |  | $ | 1.48 |  |  | $ | (507 | ) |  | 660 |  |  | $ | (0.77 | ) |  | $ | (25 | ) |  | 660 |  |  | $ | (0.04 | )
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(1) | Loss from continuing operations, net of tax, of $20 million less the $5 million adjustment to retained earnings to record the DP&L redeemable preferred stock at its redemption value as of December 31, 2016.
The calculation of diluted earnings per share excluded stock awards and convertible debentures which would be anti-dilutive. The calculation of diluted earnings per share excluded 2 million, 7 million and 8 million stock awards outstanding for the years ended December 31, 2018, 2017 and 2016, respectively, that could potentially dilute basic earnings per share in the future. Additionally, for the year ended December 31, 2016, all 15 million convertible debentures were excluded from the earnings per share calculation. The Company redeemed all of its existing convertible debentures in June 2017. For the years ended December 31, 2017 and 2016, respectively, the calculation of diluted earnings per share also excluded 4 million and 5 million outstanding restricted stock units that could potentially dilute earnings per share in the future because their impact would be anti-dilutive given the loss from continuing operations. Had the Company generated income, 2 million potential shares of common stock related to the restricted stock units would have been included in diluted average shares outstanding for each period.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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