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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] |
Securities excluded from calculation of diluted EPS | Shares of common stock for the following securities were excluded from the calculation of diluted EPS as the effect was antidilutive:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in millions)
Common stock equivalent of our preferred stock outstanding | 60 |  |  | 60 |  |  | 60 |  |  | 60 |
Common stock equivalent of our convertible senior notes outstanding | 146 |  |  | 146 |  |  | 146 |  |  | 146 |
Participating securities | 1 |  |  | 1 |  |  | 1 |  |  | 1 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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