Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

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



	Dominion Generation				Dominion Energy				DVP		Corporate and Other⁽¹⁾		Total
(millions)
Dominion
Balance at December 31, 2012⁽²⁾	$	1,503			$	701			$	926	$	—	$	3,130
Asset disposition adjustment	(19		)	⁽³⁾	(25		)	⁽⁴⁾	—		—		(44		)
Balance at December 31, 2013⁽²⁾	$	1,484			$	676			$	926	$	—	$	3,086
Asset disposition adjustment	(32		)	⁽³⁾	(10		)	⁽⁴⁾	—		—		(42		)
Balance at December 31, 2014⁽²⁾	$	1,452			$	666			$	926	$	—	$	3,044
Dominion Gas
Balance at December 31, 2012⁽²⁾	$	—			$	552			$	—	$	—	$	552
Asset disposition adjustment	—				(7		)	⁽⁴⁾	—		—		(7		)
Balance at December 31, 2013⁽²⁾	$	—			$	545			$	—	$	—	$	545
Asset disposition adjustment	—				(3		)	⁽⁴⁾	—		—		(3		)
Balance at December 31, 2014⁽²⁾	$	—			$	542			$	—	$	—	$	542


(1)	Goodwill recorded at the Corporate and Other segment is allocated to the primary operating segments for goodwill impairment testing purposes.


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


(3)	See Note 3 for a discussion of Dominion's dispositions and related goodwill write-offs.


(4)	Related to assets sold or contributed to an affiliate or Blue Racer.

The components of intangible assets are as follows:

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