Other Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Notes To Consolidated Financial Statements [Abstract]

State Of Connecticut Gross Earnings Taxes [Table Text Block]

	For the Three Months Ended				For the Nine Months Ended
(Millions of Dollars)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
NU	$	36.4	$	35.0	$	102.0	$	105.8
CL&P		34.4		33.0		91.5		93.2