Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2012 Appalachian E & P	Dec. 31, 2011 Appalachian E & P	Dec. 31, 2010 Appalachian E & P	Dec. 31, 2012 Peoples	Dec. 31, 2011 Peoples	Dec. 31, 2010 Peoples	Dec. 31, 2012 Virginia Electric and Power Company	Dec. 31, 2011 Virginia Electric and Power Company	Dec. 31, 2010 Virginia Electric and Power Company
Operating Activities
Net income including noncontrolling interests	$ 329	$ 1,426	[1]	$ 2,825	[1]
Net income attributable to Dominion	302	1,408	[1]	2,808	[1]							1,050	822	852
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities:
Gain from sale of Appalachian E&P operations	0	0	[1]	(2,467)	[1]
Loss from sale of Peoples	0	0		113
Charges (payments) related to workforce reduction program	(9)	(115)		229								(4)	(53)	98
Impairment of generation assets (including discontinued operations)	2,089	283		194								0	228	0
Net reserves (payments) related to rate refunds	(151)	3		(500)								(151)	3	(500)
Contributions to pension plans	0	0		(650)								0	0	(302)
Depreciation, depletion and amortization (including nuclear fuel)	1,443	1,288		1,258								927	838	782
Deferred income taxes and investment tax credits	246	756		682								502	496	609
Gain on the sale of assets to Blue Racer	(81)	0		0
Other adjustments	(155)	(92)		(40)								(66)	(40)	(40)
Changes in:
Accounts receivable	292	365		(60)								126	76	(9)
Affiliated accounts receivable and payable												(2)	(7)	11
Inventories	33	(185)		35								8	(200)	17
Prepayments	(85)	(19)		139								18	24	(10)
Deferred fuel and purchased gas costs, net	368	(3)		(246)								378	12	(213)
Accounts payable	(61)	(413)		119								19	(117)	108
Accrued interest, payroll and taxes	(12)	(216)		166								(22)	12	1
Other operating assets and liabilities	(109)	(95)		28								(77)	(70)	5
Net cash provided by operating activities	4,137	2,983		1,825								2,706	2,024	1,409
Investing Activities
Plant construction and other property additions (including nuclear fuel)	(4,145)	(3,652)		(3,422)								(2,082)	(1,885)	(2,113)
Purchases of nuclear fuel												(206)	(205)	(121)
Purchases of securities												(638)	(1,057)	(1,211)
Proceeds from sales of securities												626	1,030	1,192
Proceeds from the sale of business						0	0	3,450	0	0	741
Proceeds from sales of securities	1,356	1,757		2,814
Purchases of securities	(1,392)	(1,824)		(2,851)
Proceeds from Blue Racer	58	55
Restricted cash equivalents	108	259		(396)								22	137	(165)
Other	118	139		83								(4)	33	(7)
Net cash provided by (used in) investing activities	(3,840)	(3,321)		419								(2,282)	(1,947)	(2,425)
Financing Activities
Issuance of short-term debt, net	598	429		91								98	294	158
Proceeds from Short-term Debt	400	0		0
Issuance of affiliated current borrowings, net												248	85	1,101
Issuance and remarketing of long-term debt	1,500	2,320		1,090								450	235	605
Repayment and repurchase of long-term debt	(1,675)	(637)		(1,492)
Repayment and repurchase of long-term debt												(641)	(91)	(347)
Issuance of common stock	265	38		74										1,000
Repurchase of common stock	0	(601)		(900)
Common dividend payments	(1,209)	(1,129)		(1,076)								(559)	(557)	(500)
Subsidiary preferred dividend payments	(16)	(17)		(17)								(16)	(17)	(17)
Other	(14)	(25)		(2)								(5)	(2)	2
Net cash provided by (used in) financing activities	(151)	378		(2,232)								(425)	(53)	1,002
Increase in cash and cash equivalents	146	40		12								(1)	24	(14)
Cash and cash equivalents at beginning of year	102	62		50								29	5	19
Cash and cash equivalents at end of year	248	102		62								28	29	5
Supplemental Cash Flow Information
Interest and related charges, excluding capitalized amounts	913	920		894								376	376	349
Income taxes	(58)	166		991								225	(27)	(101)
Significant noncash investing and financing activities:
Accrued capital expenditures	388	328		240								242	199	136
Consolidation of VIE - assets at fair value	0	957		0
Consolidation of VIE - debt	0	896		0
Settlement of debt and issuance of common stock to Dominion												$ 0	$ 0	$ 1,000

[1] Recast to reflect Salem Harbor and State Line as discontinued operations as described in Note 3 to the Consolidated Financial Statements. EPS amounts reflect the per share impact of the recast.