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Significant Accounting Policies (Schedule of Supplemental Cash Flow Information) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule Of Supplemental Cash Flow Information [Line Items] |  |  |  |
Interest and related charges, excluding capitalized amounts |  | $ 1,900 | $ 1,991 | $ 1,408
Income taxes |  | 840 | 286 | 139
Significant noncash investing and financing activities: |  |  |  |
Accrued capital expenditures | [1],[2] | 1,268 | 1,085 | 979
Leases | [3] | 233 | 255 | 144
Virginia Electric and Power Company |  |  |  |
Schedule Of Supplemental Cash Flow Information [Line Items] |  |  |  |
Interest and related charges, excluding capitalized amounts |  | 786 | 709 | 599
Income taxes |  | 25 | (47) | (54)
Significant noncash investing and financing activities: |  |  |  |
Accrued capital expenditures | [4] | 992 | 807 | 665
Leases | [5] | $ 201 | $ 203 | $ 116
[1] | See Note 9 for noncash investing activities related to the acquisition of a noncontrolling interest in Dominion Privatization.
[2] | See Notes 3, 10, 19, 20 and 23 for noncash financing activities related to debt assumed with closing of the East Ohio, Questar Gas and PSNC Transactions, the sale of noncontrolling interest in the CVOW Commercial Project, remarketing of the Series A Preferred Stock and the issuance of common stock and transfer of property associated with the settlement of litigation.
[3] | Includes $93 million of finance leases and $140 million of operating leases entered in 2024, $44 million of finance leases and $211 million of operating leases entered in 2023 and $34 million of finance leases and $110 million of operating leases entered in 2022.
[4] | See Note 10 for noncash financing activities related to the sale of noncontrolling interest in the CVOW Commercial Project.
[5] | Includes $77 million of finance leases and $124 million of operating leases entered in 2024, $30 million of finance leases and $173 million of operating leases entered in 2023 and $26 million of finance leases and $90 million of operating leases entered in 2022.

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