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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule 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, 2011(1)
$
1,338

 
$
712

 
$
1,091

 
$
—

$
3,141

Asset disposition adjustment
—

 
(11
)
 
—

 
—

(11
)
Balance at December 31, 2012(1)
$
1,338

 
$
701

 
$
1,091

 
$
—

$
3,130

Asset disposition adjustment
(16
)
(2 
) 
(24
)
(3 
) 
(3
)
(2 
) 
—

(43
)
Balance at September 30, 2013(1)
$
1,322

 
$
677

 
$
1,088

 
$
—

$
3,087

(1)
Goodwill amounts do not contain any accumulated impairment losses.
(2)
See Note 3 in this report for a discussion of Dominion's dispositions and related goodwill write-offs.
(3)
Related to assets sold or contributed to Blue Racer.