Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Earnings Per Share Computation

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

	2011		2010		2009
(millions, except EPS)
Net income attributable to Dominion	$	1,408	$	2,808	$	1,287
Average shares of common stock outstanding-Basic	573.1		588.9		593.3
Net effect of potentially dilutive securities(1)	1.5		1.2		0.4
Average shares of common stock outstanding-Diluted	574.6		590.1		593.7
Earnings Per Common Share-Basic	$	2.46	$	4.77	$	2.17
Earnings Per Common Share-Diluted	$	2.45	$	4.76	$	2.17

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