Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Sold

No definition available.

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- Definition

Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders, Ownership Percentage Distributed

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iii)(C))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(5))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(iv))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(iii)(B))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(5))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iv))
-URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756

Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(3),(4))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
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-Section 50
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-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Balance Type:	credit
Period Type:	instant

- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

+ Details

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Variable Interest Entities - EEGH (Details) - USD ($) $ in Millions			1 Months Ended					12 Months Ended
	Nov. 01, 2020	Nov. 06, 2019	Jul. 31, 2021	Nov. 30, 2020	Jul. 31, 2020	Dec. 31, 2019	Jun. 30, 2015	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
EEGH \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Ownership interest	25.00%						75.00%	75.00%
Noncontrolling interest distributed					25.00%
EEGH \| General Partner \| Primary Beneficiary \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage								100.00%
EEGH \| Limited Partner \| Primary Beneficiary \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Variable interest entity, ownership percentage								25.00%
EEGH \| Disposed of by Means Other than Sale \| GT&S Transaction \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest distributed			50.00%
EEGH \| Cove Point LNG, LP \| Dominion Energy, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership interest						75.00%
EEGH \| Cove Point LNG, LP \| Disposed of by Means Other than Sale \| GT&S Transaction
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest distributed				50.00%
EEGH \| Carolina Gas Services, Inc. \| Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Due to related parties								$ 7	$ 22
EEGH \| Carolina Gas Services, Inc. \| Shared Services \| Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Related party amounts of transaction								$ 12	12	$ 16
EEGH \| Questar Pipeline Services \| Shared Services \| Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Related party amounts of transaction									23	33
EEGH \| Dominion Energy Services, Inc. \| Shared Services \| Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Related party amounts of transaction									$ 90	$ 119
Dominion Energy, Inc. \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Ownership interest		25.00%		50.00%				50.00%
Dominion Energy, Inc. \| Cove Point LNG, LP
Schedule of Equity Method Investments [Line Items]
Sold noncontrolling partner interest						25.00%