XML 49 R39.htm IDEA: XBRL DOCUMENT v3.25.3

Income Taxes (Tables)

9 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Effective Income Tax

For continuing operations, including noncontrolling interests, the statutory U.S. federal income tax rate reconciles to the Companies’ effective income tax rate as follows:

		Dominion Energy								Virginia Power
Nine Months Ended September 30,		2025				2024				2025				2024
U.S. statutory rate			21.0	%			21.0	%			21.0	%			21.0	%
Increases (reductions)    resulting from:
State taxes, net of federal    benefit			3.9				3.2				4.4				4.4
Investment tax credits			(2.4	)			(1.4	)			(0.8	)			(0.8	)
Production tax credits			(4.7	)			(3.2	)			(4.1	)			(3.0	)
Reversal of excess    deferred income taxes			(1.6	)			(2.7	)			(1.7	)			(1.8	)
Qualified nuclear    decommissioning trust    net gains (losses)			2.5				4.0				0.5				0.6
Remeasurements and     settlements of uncertain     tax positions			(1.0	)			—				—				—
AFUDC - equity			(0.7	)			(0.7	)			(1.0	)			(0.6	)
Absence of tax on     noncontrolling interest			(1.2	)			—				(1.8	)			—
Other, net			(0.1	)			(0.3	)			(0.1	)			0.3
Effective tax rate			15.7	%			19.9	%			16.4	%			20.1	%

Reconciliation of Changes in Unrecognized Tax Benefits

A reconciliation of changes in Dominion Energy’s and Virginia Power’s unrecognized tax benefits follows for the current period:

		Dominion Energy				Virginia Power
(millions)
Balance at January 1, 2025		$	170			$	56
Prior period positions - increases			—				—
Prior period positions - decreases			(38	)			—
Current period positions - increases			3				2
Settlements with tax authorities			—				—
Expiration of statutes of limitations			—				—
Balance at September 30, 2025		$	135			$	58

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

+ Details

Name:	us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration