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Acquisitions and Dispositions - (Schedule of Capital Expenditures and Significant Noncash Items Reported As Discontinued Operations) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Significant noncash items |  |  |  |  |  |  |
Depreciation, depletion and amortization |  | $ 2,345 | [1] | $ 2,580 | [2] | $ 2,442 | [3]
Accrued capital expenditures | [4],[5] | 1,268 |  | 1,085 |  | 979 |
Enbridge | East Ohio |  |  |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Capital expenditures |  | 65 | [6] | 507 |  | 456 |
Significant noncash items |  |  |  |  |  |  |
Depreciation, depletion and amortization |  |  |  | 148 |  | 134 |
Accrued capital expenditures |  |  |  | 42 |  | 53 |
Enbridge | PSNC |  |  |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Capital expenditures |  | 287 | [6] | 233 |  | 153 |
Significant noncash items |  |  |  |  |  |  |
Depreciation, depletion and amortization |  |  |  | 90 |  | 87 |
Accrued capital expenditures |  |  |  | 43 |  | 16 |
Enbridge | Questar Gas and Wexpro |  |  |  |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Capital expenditures |  | $ 160 | [6] | 449 |  | 438 |
Significant noncash items |  |  |  |  |  |  |
Depreciation, depletion and amortization |  |  |  | 175 |  | 163 |
Accrued capital expenditures |  |  |  | 32 |  | 31 |
Tredegar Solar Fund I, LLC | Other Sales |  |  |  |  |  |  |
Significant noncash items |  |  |  |  |  |  |
Depreciation, depletion and amortization |  |  |  | $ 2 |  | $ 4 |
[1] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Dominion Energy’s CODM.
[2] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Dominion Energy’s CODM.
[3] | The significant expense categories and amounts in the segment information presented above align with the segment-level information that is regularly provided to Dominion Energy’s CODM.
[4] | See Note 9 for noncash investing activities related to the acquisition of a noncontrolling interest in Dominion Privatization.
[5] | 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.
[6] | Represents amounts attributable to Domi nion Energy prior to the closing of the East Ohio Transaction which closed on March 6, 2024, the PSNC Transaction which closed on September 30, 2024 and the Questar Gas Transaction which closed on May 31, 2024.

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