Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

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,
	2011		2010		2011		2010
(millions, except EPS)
Net income attributable to Dominion	$	392	$	575	$	1,207	$	2,510
Average shares of common stock outstanding – Basic	569.4		585.0		574.2		591.7
Net effect of potentially dilutive securities(1)	1.8		1.4		1.4		1.1
Average shares of common stock outstanding – Diluted	571.2		586.4		575.6		592.8
Earnings Per Common Share – Basic	$	0.69	$	0.98	$	2.10	$	4.24
Earnings Per Common Share – Diluted	$	0.69	$	0.98	$	2.10	$	4.23

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