Charge in connection with settlement of an agreement.

No definition available.

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- Definition

Charge in connection with settlement of an agreement, after tax.

+ References

No definition available.

+ Details

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- Definition

Lease agreement maturity period.

+ References

No definition available.

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- Definition

Leases.

+ References

No definition available.

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- Definition

Payment of settlement of an agreement related to the offshore wind installation vessel under development.

+ References

No definition available.

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- Definition

Rate implicit term in lease.

+ References

No definition available.

+ Details

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- Definition

Right-of-use asset and offsetting lease obligation.

+ References

No definition available.

+ Details

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- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Indicates line item in statement of income or comprehensive income that includes operating lease income.

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- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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Leases (Narrative) (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
Leases (Narrative) (Detail) - USD ($) $ in Millions	Apr. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2020
Leases Disclosure [Line Items]
Payment of settlement of an agreement related to the offshore wind installation vessel under development	$ 47
Charge in connection with settlement of an agreement				$ 47
Charge in connection with settlement of an agreement, after tax				$ 35
Virginia Electric and Power Company
Leases Disclosure [Line Items]
Lease agreement maturity period					20 months
Right-of-use asset and offsetting lease obligation		$ 228			$ 228
Agreement with Lessor to Complete Construction and Lease Jones Act Compliant Offshore Wind Installation Vessel
Leases Disclosure [Line Items]
Lease agreement maturity period					5 years
Rate implicit term in lease					5 years
Agreement with Lessor to Complete Construction and Lease Jones Act Compliant Offshore Wind Installation Vessel \| Lessor
Leases Disclosure [Line Items]
Amount of financing commitments to fund estimated project costs							$ 715
Right-of-use asset and offsetting lease obligation		214			$ 214
CVOW Commercial Project \| Virginia Electric and Power Company
Leases Disclosure [Line Items]
Affiliated lease cost		11			11
Power Purchase Arrangement
Leases Disclosure [Line Items]
Rental revenue		$ 6	$ 6		$ 15	$ 15
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]		Revenues	Revenues		Revenues	Revenues
Depreciation expense		$ 4	$ 3		$ 9	$ 6