Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2012		2011
(millions, except EPS)
Net income attributable to Dominion	$	494	$	479
Average shares of common stock outstanding – Basic	570.5		579.8
Net effect of potentially dilutive securities(1)	1.4		0.7
Average shares of common stock outstanding – Diluted	571.9		580.5
Earnings Per Common Share – Basic	$	0.87	$	0.83
Earnings Per Common Share – Diluted	$	0.86	$	0.82

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