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.

No definition available.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460

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Balance Type:	debit
Period Type:	duration

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

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Acquisitions and Dispositions (Results of Operations and Pro Forma Information) (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Dominion Energy
Business Acquisition [Line Items]
Merger and integration related costs		$ 3		$ 17
SCANA
Business Acquisition [Line Items]
Increase in operating revenue	$ 979		$ 2,100
Decrease in net income	97		1,100
Merger and integration related costs			570
SCANA \| Dominion Energy
Business Acquisition [Line Items]
Merger and integration related costs	29		596
SCANA \| Dominion Energy \| Voluntary Retirement Program
Business Acquisition [Line Items]
Merger and integration related costs	4		427
SCANA \| Dominion Energy \| Other operations and maintenance
Business Acquisition [Line Items]
Merger and integration related costs	25		160
SCANA \| Dominion Energy \| Interest and related charges
Business Acquisition [Line Items]
Merger and integration related costs			$ 9
SCANA \| Dominion Energy \| Maximum \| Interest and related charges
Business Acquisition [Line Items]
Merger and integration related costs	$ 1