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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Reconciliation of Weighted Average Number of Shares of Common Stock Outstanding | Below is a reconciliation of the weighted average number of shares of common stock outstanding in calculating Diluted EPS (shares in thousands and dollars in millions, except per share amounts) for the periods presented:
|  | Three months ended March 31, |
|  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (80 | ) |  | $ | (16 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average shares used to compute Basic EPS |  |  | 135,746 |  |  |  | 136,240 |
Weighted average effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | — |
RSUs/MSUs |  |  | — |  |  |  | — |
2026 Senior Notes (Note 5) |  |  | — |  |  |  | — |
Weighted average shares used to compute Diluted EPS |  |  | 135,746 |  |  |  | 136,240 |
Basic EPS |  | $ | (0.59 | ) |  | $ | (0.12 | )
Diluted EPS |  | $ | (0.59 | ) |  | $ | (0.12 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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