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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Effective Income Tax

		Dominion Energy								Virginia Power
Nine Months Ended September 30,		2024				2023				2024				2023
U.S. statutory rate			21.0	%			21.0	%			21.0	%			21.0	%
Increases (reductions) resulting from:
State taxes, net of federal benefit			3.3				3.9				4.4				4.6
Investment tax credits			(1.2	)			(1.5	)			(0.8	)			(0.7	)
Production tax credits			(2.8	)			(0.6	)			(3.0	)			(0.9	)
Reversal of excess deferred income taxes			(2.4	)			(2.6	)			(1.8	)			(2.6	)
Changes in state deferred taxes associated    with assets held for sale			—				1.3				—				—
AFUDC - equity			(0.6	)			(0.1	)			(0.6	)			—
Other, net			(0.4	)			(0.8	)			0.3				(0.3	)
Effective tax rate			16.9	%			20.6	%			19.5	%			21.1	%

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- References

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- 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

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