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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Basic and Diluted EPS Computations | Reconciliations of the amounts of income and shares of PPL common stock (in thousands) for the periods ended December 31, used in the EPS calculation are:
| 2017 |  | 2016 |  | 2015
Income (Numerator) |  |  |  |  |  |  |  |
Income from continuing operations after income taxes | $ | 1,128 |  |  | $ | 1,902 |  |  | $ | 1,603 |
Less amounts allocated to participating securities | 2 |  |  | 6 |  |  | 6 |
Income from continuing operations after income taxes available to PPL common shareowners - Basic and Diluted | $ | 1,126 |  |  | $ | 1,896 |  |  | $ | 1,597 |
Income (loss) from discontinued operations (net of income taxes) available to PPL common shareowners - Basic and Diluted | $ | — |  |  | $ | — |  |  | $ | (921 | )
Net income | $ | 1,128 |  |  | $ | 1,902 |  |  | $ | 682 |
Less amounts allocated to participating securities | 2 |  |  | 6 |  |  | 2 |
Net income available to PPL common shareowners - Basic and Diluted | $ | 1,126 |  |  | $ | 1,896 |  |  | $ | 680 |
| 2017 |  | 2016 |  | 2015
Shares of Common Stock (Denominator) |  |  |  |  |  |  |  |
Weighted-average shares - Basic EPS | 685,240 |  |  | 677,592 |  |  | 669,814 |
Add incremental non-participating securities: |  |  |  |  |  |  |  |
Share-based payment awards (a) | 2,094 |  |  | 2,854 |  |  | 2,772 |
Weighted-average shares - Diluted EPS | 687,334 |  |  | 680,446 |  |  | 672,586 |
Basic EPS |  |  |  |  |  |  |  |
Available to PPL common shareowners: |  |  |  |  |  |  |  |
Income from continuing operations after income taxes | $ | 1.64 |  |  | $ | 2.80 |  |  | $ | 2.38 |
Income (loss) from discontinued operations (net of income taxes) | — |  |  | — |  |  | (1.37 | )
Net Income | $ | 1.64 |  |  | $ | 2.80 |  |  | $ | 1.01 |
Diluted EPS |  |  |  |  |  |  |  |
Available to PPL common shareowners: |  |  |  |  |  |  |  |
Income from continuing operations after income taxes | $ | 1.64 |  |  | $ | 2.79 |  |  | $ | 2.37 |
Income (loss) from discontinued operations (net of income taxes) | — |  |  | — |  |  | (1.36 | )
Net Income | $ | 1.64 |  |  | $ | 2.79 |  |  | $ | 1.01 |
(a) | The Treasury Stock Method was applied to non-participating share-based payment awards.
Common Stock Issuances | For the year ended December 31, PPL issued common stock related to stock-based compensation plans and DRIP as follows (in thousands):
| 2017
Stock-based compensation plans (a) | 1,748 |
DRIP | 1,552 |
(a) | Includes stock options exercised, vesting of performance units, vesting of restricted stock and restricted stock units and conversion of stock units granted to directors.
Antidilutive Securities Excluded From Diluted EPS | For the years ended December 31, the following shares (in thousands) were excluded from the computations of diluted EPS because the effect would have been antidilutive:
| 2017 |  | 2016 |  | 2015
Stock options | 696 |  |  | 696 |  |  | 1,087 |
Performance units | — |  |  | 176 |  |  | 36 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share computations and reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + References No definition available. + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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