Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity Note [Abstract]

Accumulated other comprehensive income (loss)

Presented in the table below is a summary of AOCI by component:

At December 31,	2012			2011
(millions)
Dominion
Net unrealized losses on derivatives-hedging activities, net of tax of $87 and $48	$	(122	)	$	(54	)
Net unrealized gains on nuclear decommissioning trust funds, net of tax of $(206) and $(154)	326			243
Net unrecognized pension and other postretirement benefit costs, net of tax of $745 and $568	(1,081		)	(799		)
Total AOCI	$	(877	)	$	(610	)
Virginia Power
Net unrealized losses on derivatives-hedging activities, net of tax of $3 and $2	$	(6	)	$	(3	)
Net unrealized gains on nuclear decommissioning trust funds, net of tax of $(19) and $(14)	31			22
Total AOCI	$	25		$	19

Summary of changes in amounts of stock options outstanding

The following table provides a summary of changes in amounts of stock options outstanding as of and for the years ended December 31, 2012, 2011 and 2010. No options were granted under any plan in 2012, 2011 or 2010.

	Shares		Weighted - average Exercise Price		Weighted - average Remaining Contractual Life	Aggregated Intrinsic Value(1)
	(thousands)				(years)	(millions)
Outstanding and exercisable at December 31, 2009	3,822		$	31.25		29
Exercised	(1,983	)	$	30.81		$	22
Forfeited/expired	(29	)	$	29.84
Outstanding and exercisable at December 31, 2010	1,810		$	31.76		$	20
Exercised	(1,174	)	$	32.46		$	17
Forfeited/expired	(8	)	$	31.57
Outstanding and exercisable at December 31, 2011	628		$	30.81		$	14
Exercised	(622	)	$	30.79		$	13
Forfeited/expired	(6	)	$	32.26
Outstanding and exercisable at December 31, 2012	—		$	—	—	$	—

(1) Intrinsic value represents the difference between the exercise price of the option and the market value of Dominion's stock.

Summary of restricted stock activity

The following table provides a summary of restricted stock activity for the years ended December 31, 2012, 2011 and 2010:

	Shares		Weighted - average Grant Date Fair Value
	(thousands)
Nonvested at December 31, 2009	1,484		$	39.88
Granted	463		38.80
Vested	(618	)	43.54
Cancelled and forfeited	(39	)	36.92
Converted from goal-based stock to restricted stock	186		40.84
Nonvested at December 31, 2010	1,476		$	38.20
Granted	299		43.68
Vested	(617	)	40.72
Cancelled and forfeited	(25	)	36.29
Converted from goal-based stock to restricted stock	168		30.99
Nonvested at December 31, 2011	1,301		$	37.37
Granted	390		51.14
Vested	(596	)	33.31
Cancelled and forfeited	(10	)	42.99
Nonvested at December 31, 2012	1,085		$	44.46

Summary of restricted stock and goal-based stock activity

The following table provides a summary of goal-based stock activity for the years ended December 31, 2012, 2011 and 2010:

	Targeted Number of Shares		Weighted - average Grant Date Fair Value
	(thousands)
Nonvested at December 31, 2009	323		$	36.12
Granted	9		37.46
Vested	(16	)	39.31
Cancelled and forfeited	(8	)	30.99
Converted from goal-based stock to restricted stock	(147	)	40.84
Nonvested at December 31, 2010	161		$	31.79
Granted	3		43.54
Vested	(20	)	34.62
Converted from goal-based stock to restricted stock	(132	)	30.99
Nonvested at December 31, 2011	12		$	39.19
Granted	1		52.48
Vested	(9	)	37.46
Nonvested at December 31, 2012	4		$	45.60