Acquisitions and Dispositions (Tables)

6 Months Ended

Jun. 30, 2023

Business Combinations Discontinued Operations And Disposal Groups [Abstract]

Results of Operations Reported within Discontinued Operations

The following table represents selected information for each disposal group regarding the results of operations reported within discontinued operations in Dominion Energy's Consolidated Statements of Income:

	Three Months Ended June 30, 2023										Six Months Ended June 30, 2023
		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other			East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other
(millions)
Operating revenue		$	235	$	120	$	271	$	2		$	547	$	446	$	1,001	$	3
Operating expense			153		98		233		19			369		306		812		22
Other income (expense)			7		3		2		—			15		5		3		—
Interest and related charges			17		12		17		1			32		25		33		1
Income (loss) before income    taxes			72		13		23		(18	)		161		120		159		(20	)
Income tax expense (benefit)			6		2		3		(4	)		19		26		32		(5	)
Net income (loss) attributable    to Dominion Energy(1)		$	66	$	11	$	20	$	(14	)	$	142	$	94	$	127	$	(15	)

(1)Excludes $5 million and $(4) million of income tax expense (benefit) attributable to consolidated state and interim period tax allocation adjustments for the three and six months ended June 30, 2023, respectively.

	Three Months Ended June 30, 2022									Six Months Ended June 30, 2022
		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other
(millions)
Operating revenue		$	222	$	111	$	213	$	1	$	532	$	446	$	732	$	3
Operating expense			145		88		170		1		363		312		558		3
Other income (expense)			7		1		—		—		14		3		—		—
Interest and related charges			6		10		10		—		9		19		20		—
Income (loss) before income    taxes			78		14		33		—		174		118		154		—
Income tax expense    (benefit)			10		2		5		—		24		25		31		—
Net income (loss) attributable    to Dominion Energy(1)		$	68	$	12	$	28	$	—	$	150	$	93	$	123	$	—

(1)Excludes $(9) million and $(13) million of income tax expense (benefit) attributable to consolidated state and interim period tax allocation adjustments for the three and six months ended June 30, 2022, respectively.

Schedule of Major Classes of Assets and Liabilities Relating to the Disposal Groups Reported As Held For Sale

The carrying amount of major classes of assets and liabilities relating to the disposal groups, which are reported as held for sale in Dominion Energy's Consolidated Balance Sheets were as follows:

	At June 30, 2023								At December 31, 2022
	East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other
(millions)
Current assets(1)	$	403	$	230	$	728	$	30	$	544	$	381	$	803	$	1
Property, plant and equipment, net		5,174		2,659		4,094		—		5,012		2,591		3,984		47
Other deferred charges and other    assets, including goodwill(2) and    intangible assets		2,628		818		1,004		—		2,629		822		1,043		—
Current liabilities		359		120		223		9		634		151		612		1
Long-term debt		2,286		798		1,245				2,287		798		1,245		—
Other deferred credits and liabilities		1,423		695		1,097		—		1,435		689		1,087		9

(1)Includes cash and cash equivalents of $3 million and $6 million within the East Ohio Transaction, less than $1 million and less than $1 million within the PSNC Transaction and $26 million and $28 million within the Questar Gas Transaction at June 30, 2023 and December 31, 2022, respectively. Also includes regulatory assets of $93 million and $90 million within the East Ohio Transaction, $108 million and $95 million within the PSNC Transaction and $450 million and $273 million within the Questar Gas Transaction at June 30, 2023 and December 31, 2022, respectively.

(2)Includes goodwill of $1.5 billion, $673 million and $983 million at both June 30, 2023 and December 31, 2022 within the East Ohio, PSNC and Questar Gas Transactions, respectively. Also includes regulatory assets of $739 million and $751 million within the East Ohio Transaction, $89 million and $93 million within the PSNC Transaction and $(31) million and $(22) million within the Questar Gas Transaction at June 30, 2023 and December 31, 2022, respectively.

(3)Includes regulatory liabilities of $57 million and $43 million within the East Ohio Transaction, $39 million and $11 million within the PSNC Transaction and $50 million and $144 million within the Questar Gas Transaction at June 30, 2023 and December 31, 2022, respectively.

(4)Includes regulatory liabilities of $730 million and $749 million within the East Ohio Transaction, $439 million and $436 million within the PSNC Transaction and $509 million and $506 million within the Questar Gas Transaction at June 30, 2023 and December 31, 2022, respectively.

Capital Expenditures and Significant Noncash Items Relating to the Disposal Groups

Capital expenditures and significant noncash items relating to the disposal groups included the following:

	Six Months Ended June 30, 2023									Six Months Ended June 30, 2022
		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other		East Ohio Transaction		PSNC Transaction		Questar Gas Transaction		Other
(millions)
Capital expenditures		$	215	$	99	$	177	$	—	$	192	$	68	$	210	$	—
Significant noncash items
Depreciation, depletion    and amortization			71		44		86		2		65		43		81		2
Accrued capital expenditures			48		19		32		—		28		16		35		—