Equity Method Investment, Goodwill

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- Definition

Equity Method Investment, Increase from Contribution

+ References

No definition available.

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- Definition

Equity Method Investments Gain On Assets Contributed To Joint Venture

+ References

No definition available.

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- Definition

Equity Method Investments Gain On Assets Contributed To Joint Venture Net Of Tax

+ References

No definition available.

+ Details

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- Definition

Gain (Loss) on Disposition of Property Plant And Equipment, Net of Tax

+ References

No definition available.

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- Definition

Jointly Owned Utility Plant, Number of Members

+ References

No definition available.

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- Definition

Long-term Contract for Purchase of Electric Power, Duration of Contract

+ References

No definition available.

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- Definition

Public Utilities, Length of Pipeline

+ References

No definition available.

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- Definition

Public Utilities, Number of Pipelines Sold

+ References

No definition available.

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- Definition

Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis.

+ References

No definition available.

+ Details

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(b))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

+ Details

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- Definition

Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

+ References

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

+ Details

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- Definition

Amount of transfers of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized among segments.

+ References

No definition available.

+ Details

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- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 45

-Paragraph 1

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.12)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 11

-Article 7

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- Definition

The proportionate share of interest (percent) in a jointly owned utility plant.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 980

-SubTopic 360

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 10.C)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 10

-Section C

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- Definition

The amount of investments that an Entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 4

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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- Definition

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

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No definition available.

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Investments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended		3 Months Ended	1 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2014	Dec. 31, 2012	Sep. 30, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2014 mi Member	Dec. 31, 2013
Gain (Loss) on Investments [Line Items]
Equity earnings on investments	$ 46	$ 14	$ 25
Company received distribution from Fowler Ridge in connection with non-recourse permanent financing	60	33	58
Carrying amount of Company's investments exceeded its shares of underlying equity	126	36								36
Capitalized interest during construction	87
Equity method investment goodwill	39d_EquityMethodInvestmentGoodwill
Write off of goodwill	42	44
Blue Racer
Gain (Loss) on Investments [Line Items]
Company received distribution from Fowler Ridge in connection with non-recourse permanent financing	85	160	115		115
Ownership percentage	50.00%		50.00%		50.00%
Increase in equity method investment						473
Increase in equity method investment				155
Goodwill allocated from Dominion's Goodwill balance in its equity method investment in Blue Racer				6
Blue Racer \| Pipelines
Gain (Loss) on Investments [Line Items]
Amount of consideration							84
Cash proceeds received from sale							84	47
Atlantic Coast Pipeline \| Pipelines \| Jointly Owned Natural Gas Pipeline \| Gas Distribution
Gain (Loss) on Investments [Line Items]
Ownership interest (percentage)									45.00%
Length of FERC regulated interstate natural gas pipeline									550
Number of members									4
Duration of contract									20 years
Atlantic Coast Pipeline \| Pipelines \| Duke Energy Corporation \| Jointly Owned Natural Gas Pipeline \| Gas Distribution
Gain (Loss) on Investments [Line Items]
Ownership interest (percentage)									40.00%
Atlantic Coast Pipeline \| Pipelines \| Piedmont Natural Gas Company \| Jointly Owned Natural Gas Pipeline \| Gas Distribution
Gain (Loss) on Investments [Line Items]
Ownership interest (percentage)									10.00%
Atlantic Coast Pipeline \| Pipelines \| AGL Resources Inc \| Jointly Owned Natural Gas Pipeline \| Gas Distribution
Gain (Loss) on Investments [Line Items]
Ownership interest (percentage)									5.00%
Other Income
Gain (Loss) on Investments [Line Items]
Equity earnings on investments	46	14	25
Other operations and maintenance expense \| Blue Racer
Gain (Loss) on Investments [Line Items]
Gain on purchase of business					72
Gain on purchase of business, net of tax					43
Transaction costs on sale			9		9
Other operations and maintenance expense \| Blue Racer \| Pipelines
Gain (Loss) on Investments [Line Items]
Gain from sale								25		4
After tax gain on sale							34	14		2
Write off of goodwill								2
Dominion Gas Holdings, LLC
Gain (Loss) on Investments [Line Items]
Equity earnings on investments	21	22	23
Company received distribution from Fowler Ridge in connection with non-recourse permanent financing	20	19	25
Carrying amount of Company's investments exceeded its shares of underlying equity	8	8								8
Write off of goodwill	3	7
Dominion Gas Holdings, LLC \| Blue Racer
Gain (Loss) on Investments [Line Items]
Company received distribution from Fowler Ridge in connection with non-recourse permanent financing	1	78	0
Extinguishment of affiliated current borrowings					187
Dominion Gas Holdings, LLC \| Blue Racer \| Pipelines
Gain (Loss) on Investments [Line Items]
Number of pipelines sold					2
Amount of consideration			248		248
Cash proceeds received from sale					61	78	17			30
Extinguishment of affiliated current borrowings							67
Dominion Gas Holdings, LLC \| Other Income
Gain (Loss) on Investments [Line Items]
Equity earnings on investments	21	22	23
Dominion Gas Holdings, LLC \| Other operations and maintenance expense \| Blue Racer \| Pipelines
Gain (Loss) on Investments [Line Items]
Gain from sale					176	74	59			3
After tax gain on sale					110	41	35			2
Write off of goodwill							3
Categories of Investments, Marketable Securities, Trading Securities
Gain (Loss) on Investments [Line Items]
Investments held in our rabbi trusts	110	107								107
Cost method investments
Gain (Loss) on Investments [Line Items]
Investments held in our rabbi trusts	$ 6	$ 10								$ 10