Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Segment allocation of goodwill

The changes in Dominion's carrying amount and segment allocation of goodwill are presented below:

	Dominion Generation		Dominion Energy			DVP		Corporate and Other			Total
(millions)
Balance at December 31, 2009(1)	$	1,338	$	846		$	1,091	$	79		$	3,354
Business disposition adjustment	—		(134		)	—		(79		)	(213		)
Balance at December 31, 2010(1)	$	1,338	$	712		$	1,091	$	—		$	3,141
Impairments/adjustments	$	—	$	—		$	—	$	—		$	—
Balance at December 31, 2011(1)	$	1,338	$	712		$	1,091	$	—		$	3,141

(1) Goodwill amounts do not contain any accumulated impairment losses.

Components of intangible assets

The components of intangible assets are as follows:

At December 31,	2011				2010
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
(millions)
Dominion
Software, software licenses and other	$	888	$	278	$	892	$	334
Emissions allowances	80		53		134		50
Total	$	968	$	331	$	1,026	$	384
Virginia Power
Software and software licenses	$	285	$	102	$	307	$	140
Emissions allowances	—		—		48		3
Total	$	285	$	102	$	355	$	143

Annual amortization expense of intangible assets

Annual amortization expense for these intangible assets is estimated to be as follows:

	2012		2013		2014		2015		2016
(millions)
Dominion	$	78	$	71	$	48	$	37	$	27
Virginia Power	$	19	$	14	$	13	$	7	$	3