Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share Computation

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
(millions, except EPS)
Net income attributable to Dominion	$	209	$	392	$	961	$	1,207
Average shares of common stock outstanding – Basic	573.8		569.4		572.1		574.2
Net effect of potentially dilutive securities(1)	0.9		1.8		1.1		1.4
Average shares of common stock outstanding – Diluted	574.7		571.2		573.2		575.6
Earnings Per Common Share – Basic	$	0.36	$	0.69	$	1.68	$	2.10
Earnings Per Common Share – Diluted	$	0.36	$	0.69	$	1.68	$	2.10

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