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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Schedule of Computations of Weighted Average Shares Outstanding | The computations of the weighted average shares outstanding for the periods indicated are as follows (in millions):
|  |  | Three Months Ended March 31,
|  |  |  |  | 2021 |  | 2020
Weighted average shares outstanding |  |  |  |  | 424.9 |  |  | 423.8 |
Share-based payment awards classified as participating securities (1) |  |  |  |  | — |  |  | — |
Basic weighted average shares outstanding |  |  |  |  | 424.9 |  |  | 423.8 |
Dilutive securities (2) |  |  |  |  | 2.7 |  |  | — |
Diluted weighted average shares outstanding |  |  |  |  | 427.6 |  |  | 423.8 |
(1)For the three months ended March 31, 2021 and 2020, dividends and equivalents for share-based awards that are expected to be forfeited do not have a material effect on net income for basic and diluted earnings per share. (2)The three months ended March 31, 2020 excludes 1.1 million of potentially dilutive share-based awards as their effect would be anti-dilutive.

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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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