Earnings Per Share

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

The following table presents the calculation of Dominion's basic and diluted EPS:

	2012		2011		2010
(millions, except EPS)
Net income attributable to Dominion	$	302	$	1,408	$	2,808
Average shares of common stock outstanding-Basic	572.9		573.1		588.9
Net effect of potentially dilutive securities(1)	1.0		1.5		1.2
Average shares of common stock outstanding-Diluted	573.9		574.6		590.1
Earnings Per Common Share-Basic	$	0.53	$	2.46	$	4.77
Earnings Per Common Share-Diluted	$	0.53	$	2.45	$	4.76

(1) Potentially dilutive securities consist of options, goal-based stock and contingently convertible senior notes.

There were no potentially dilutive securities excluded from the calculation of diluted EPS for the years ended December 31, 2012, 2011 and 2010.