Other Taxes (Tables)

3 Months Ended

Mar. 31, 2012

Notes To Consolidated Financial Statements [Abstract]

State Of Connecticut Gross Earnings Taxes [Table Text Block]

	For the Three Months Ended
(Millions of Dollars)	March 31, 2012		March 31, 2011
NU	$	35.0	$	38.7
CL&P		29.4		31.4