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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 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 September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Basic weighted average shares outstanding | 425.4 |  |  | 424.3 |  |  | 425.2 |  |  | 424.1 |
Dilutive securities (1) | 3.1 |  |  | 1.1 |  |  | 2.7 |  |  | — |
Diluted weighted average shares outstanding | 428.5 |  |  | 425.4 |  |  | 427.9 |  |  | 424.1 |
(1)The nine months ended September 30, 2020 excludes 0.9 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=124432515&loc=d3e3550-109257 + Details
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