Other Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Notes To Consolidated Financial Statements [Abstract]

State Of Connecticut Gross Earnings Taxes [Table Text Block]

	For the Years Ended December 31,
(Millions of Dollars)	2014		2013		2012
NU	$	148.2	$	144.1	$	135.0
CL&P		127.9		128.2		120.7