Asset Impairment Charges After Tax

No definition available.

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- Definition

Asset Retirement Obligations [Line Items]

+ References

No definition available.

+ Details

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- Definition

Increase (decrease) in other deferred charges and other assets.

+ References

No definition available.

+ Details

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- Definition

Increase (decrease) in regulatory assets.

+ References

No definition available.

+ Details

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- Definition

Number of stations maintains inactive or closed units expected to be subject to final rule.

+ References

No definition available.

+ Details

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-4

+ Details

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- Definition

The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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- Definition

Amount of increase (decrease) of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Significant Accounting Policies (Narrative) (Detail) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	May 31, 2024 Station	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Asset Retirement Obligations [Line Items]
Impairment of assets and other charges		$ 122		$ 1	$ 219	$ 136
Number of stations maintains inactive or closed units expected to be subject to final rule \| Station	19
Dominion Energy
Asset Retirement Obligations [Line Items]
Increase in asset retirement obligation			$ 1,100
Increase in regulatory assets			536
Increase in property, plant, and equipment		(215)	505
Virginia Electric and Power Company \| Impairment of Assets and Other Charges
Asset Retirement Obligations [Line Items]
Impairment of assets and other charges		25
Impairment of assets and other charges after tax		$ 18
Virginia Power
Asset Retirement Obligations [Line Items]
Number of stations maintains inactive or closed units expected to be subject to final rule \| Station	12
Increase in asset retirement obligation			420
Increase in regulatory assets			234
Increase in property, plant, and equipment			152
Increase in other deferred charges and other assets			$ 34