Other Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Notes To Consolidated Financial Statements [Abstract]

State Of Connecticut Gross Earnings Taxes [Table Text Block]

	For the Three Months Ended				For the Six Months Ended
(Millions of Dollars)	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
NU	$	32.0	$	33.1	$	70.7	$	72.0
CL&P		28.8		30.2		60.2		62.2