Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

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,
	2013		2012
(millions, except EPS)
Net income attributable to Dominion	$	495	$	494
Average shares of common stock outstanding – Basic	576.6		570.5
Net effect of potentially dilutive securities(1)	0.9		1.4
Average shares of common stock outstanding – Diluted	577.5		571.9
Earnings Per Common Share – Basic	$	0.86	$	0.86
Earnings Per Common Share – Diluted	$	0.86	$	0.86

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