SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Eversource's segment information is as follows:

	For the Three Months Ended March 31, 2017
Eversource (Millions of Dollars)	Electric Distribution			Natural Gas Distribution			Electric Transmission			Other			Eliminations			Total
Operating Revenues	$	1,401.1		$	403.6		$	316.9		$	236.3		$	(252.8	)	$	2,105.1
Depreciation and Amortization	(129.8		)	(21.7		)	(50.6		)	(9.2		)	0.5			(210.8		)
Other Operating Expenses	(1,041.9		)	(289.6		)	(90.0		)	(216.6		)	252.8			(1,385.3		)
Operating Income	$	229.4		$	92.3		$	176.3		$	10.5		$	0.5		$	509.0
Interest Expense	$	(48.2	)	$	(10.6	)	$	(28.1	)	$	(19.7	)	$	3.2		$	(103.4	)
Other Income, Net	5.0			0.3			4.9			328.9			(325.5		)	13.6
Net Income Attributable to Common Shareholders	114.1			50.8			94.2			322.2			(321.8		)	259.5
Cash Flows Used for Investments in Plant	236.2			64.5			192.6			30.3			—			523.6

	For the Three Months Ended March 31, 2016
Eversource (Millions of Dollars)	Electric Distribution			Natural Gas Distribution			Electric Transmission			Other			Eliminations			Total
Operating Revenues	$	1,436.1		$	342.6		$	283.3		$	214.2		$	(220.6	)	$	2,055.6
Depreciation and Amortization	(127.7		)	(15.8		)	(45.1		)	(6.9		)	0.5			(195.0		)
Other Operating Expenses	(1,088.9		)	(233.5		)	(73.0		)	(197.3		)	220.6			(1,372.1		)
Operating Income	$	219.5		$	93.3		$	165.2		$	10.0		$	0.5		$	488.5
Interest Expense	$	(48.0	)	$	(10.1	)	$	(28.0	)	$	(14.1	)	$	2.0		$	(98.2	)
Other Income/(Loss), Net	—			(0.3		)	2.6			305.5			(305.8		)	2.0
Net Income Attributable to Common Shareholders	108.4			50.9			85.7			302.5			(303.3		)	244.2
Cash Flows Used for Investments in Plant	184.2			52.1			172.4			22.8			—			431.5

The following table summarizes Eversource's segmented total assets:

Eversource (Millions of Dollars)	Electric Distribution		Natural Gas Distribution		Electric Transmission		Other		Eliminations			Total
As of March 31, 2017	$	18,343.3	$	3,332.7	$	9,015.6	$	14,590.4	$	(12,926.8	)	$	32,355.2
As of December 31, 2016	18,367.5		3,303.8		8,751.5		14,493.1		(12,862.7		)	32,053.2