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- Definition

Stockholders' Equity, Contributions By Parent

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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.

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Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

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- Definition

The tax effect of an increase or decrease in contributed capital (for example, deductible expenditures reported as a reduction of the proceeds from issuing capital stock) during the period charged or credited directly to shareholders' equity.

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.

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Business Acquisitions - EEGH (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Sep. 01, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Deferred income tax charges
Business Acquisition [Line Items]
Regulatory liabilities	$ 24
Cove Point LNG, LP
Business Acquisition [Line Items]
Income tax provision, equity transactions	120
Investment, step up in tax basis	144
Cove Point LNG, LP
Business Acquisition [Line Items]
Business combination, consideration transferred, cash	$ 3,300
EEGH
Business Acquisition [Line Items]
Contributions		$ 2,880	$ 11	$ 2,913	$ 79
Proceeds from repayment of affiliate note receivable				$ 734	$ 31
EEGH \| Cove Point LNG, LP
Business Acquisition [Line Items]
Contributions		2,900
Proceeds from repayment of affiliate note receivable		$ 474
Cove Point LNG, LP \| Cove Point LNG, LP \| Limited partner
Business Acquisition [Line Items]
Business combination, ownership interest after transaction		75.00%		75.00%
Cove Point LNG, LP \| Dominion Energy, Inc. \| Limited partner
Business Acquisition [Line Items]
Limited partner, ownership percentage	50.00%
Cove Point LNG, LP \| Cove Point GP Holding Company, LLC \| Cove Point LNG, LP \| General partner
Business Acquisition [Line Items]
Business combination, ownership interest after transaction		100.00%		100.00%