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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Components of Basic and Diluted EPS | The following table sets forth the components of basic and diluted EPS:
Eversource (Millions of Dollars, except share information) | For the Years Ended December 31,
2021 |  | 2020 |  | 2019
Net Income Attributable to Common Shareholders | $ | 1,220.5 |  |  | $ | 1,205.2 |  |  | $ | 909.1 |
Weighted Average Common Shares Outstanding: |  |  |  |  |
Basic | 343,972,926 |  |  | 338,836,147 |  |  | 321,416,086 |
Dilutive Effect of: |  |  |  |  |
Share-Based Compensation Awards and Other | 658,130 |  |  | 738,994 |  |  | 762,215 |
Equity Forward Sale Agreement | — |  |  | 271,921 |  |  | 763,335 |
Total Dilutive Effect | 658,130 |  |  | 1,010,915 |  |  | 1,525,550 |
Diluted | 344,631,056 |  |  | 339,847,062 |  |  | 322,941,636 |
Basic EPS | $ | 3.55 |  |  | $ | 3.56 |  |  | $ | 2.83 |
Diluted EPS | $ | 3.54 |  |  | $ | 3.55 |  |  | $ | 2.81 |

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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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