EARNINGS PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

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,
	2019		2018		2017
Net Income Attributable to Common Shareholders	$	909.1	$	1,033.0	$	988.0
Weighted Average Common Shares Outstanding:
Basic	321,416,086		317,370,369		317,411,097
Dilutive Effect of:
Share-Based Compensation Awards and Other	762,215		623,565		620,483
Equity Forward Sale Agreement	763,335		—		—
Total Dilutive Effect	1,525,550		623,565		620,483
Diluted	322,941,636		317,993,934		318,031,580
Basic EPS	$	2.83	$	3.25	$	3.11
Diluted EPS	$	2.81	$	3.25	$	3.11