Income Taxes (Tables)

3 Months Ended

Mar. 31, 2012

Income Tax Disclosure [Abstract]

Effective Income Tax

For continuing operations, including noncontrolling interests, the statutory U.S. federal income tax rate reconciles to Dominion’s and Virginia Power’s effective income tax rate as follows:

	Dominion				Virginia Power
Three Months Ended March 31,	2012		2011		2012		2011
U.S. statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
Increases (reductions) resulting from:
State taxes, net of federal benefit	3.8		3.7		3.9		3.9
Valuation allowances	(2.7	)	0.8		—		—
AFUDC - equity	(0.7	)	(0.7	)	(0.9	)	(1.1	)
Other, net	(1.3	)	0.3		(0.2	)	0.2
Effective tax rate	34.1	%	39.1	%	37.8	%	38.0	%