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Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2024
Accounting Policies [Abstract] |
Reconciliation of Total Cash, Restricted Cash and Equivalents | The following table provides a reconciliation of the total cash, restricted cash and equivalents reported within the Companies’ Consolidated Balance Sheets to the corresponding amounts reported within the Companies’ Consolidated Statements of Cash Flows for the nine months ended September 30, 2024 and 2023:
|  | Cash, Restricted Cash and Equivalents at End of Period |  |  | Cash, Restricted Cash and Equivalents at Beginning of Period |
|  | September 30, 2024 |  |  | September 30, 2023 |  |  | December 31, 2023 |  |  | December 31, 2022 |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Dominion Energy |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents(1) |  | $ | 1,776 |  |  | $ | 176 |  |  | $ | 217 |  |  | $ | 153 |
Restricted cash and equivalents(2)(4) |  |  | 126 |  |  |  | 71 |  |  |  | 84 |  |  |  | 188 |
Cash, restricted cash and equivalents shown in the Consolidated Statements of Cash Flows |  | $ | 1,902 |  |  | $ | 247 |  |  | $ | 301 |  |  | $ | 341 |
Virginia Power |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 28 |  |  | $ | 37 |  |  | $ | 90 |  |  | $ | 22 |
Restricted cash and equivalents(3)(4) |  |  | 104 |  |  |  | — |  |  |  | — |  |  |  | 2 |
Cash, restricted cash and equivalents shown in the Consolidated Statements of Cash Flows |  | $ | 132 |  |  | $ | 37 |  |  | $ | 90 |  |  | $ | 24 |
(1) At September 30, 2023, December 31, 2023 and December 31, 2022, Dominion Energy had $39 million, $33 million and $34 million, respectively, of cash and cash equivalents included in current assets held for sale. (2) At September 30, 2023, December 31, 2023 and December 31, 2022, Dominion Energy had $4 million, $4 million and $2 million, respectively, of restricted cash and equivalents included in current assets held for sale with the remaining balances presented within other current assets in Dominion Energy’s Consolidated Balance Sheets. (3) Restricted cash and equivalents balances are presented within other current assets in Virginia Power’s Consolidated Balance Sheets. (4) Includes $100 million attributable to VIEs at September 30, 2024.
Schedule of Supplemental Cash Flow Information | The following table provides supplemental disclosure of cash flow information related to Dominion Energy:
Nine Months Ended September 30, |  | 2024 |  |  | 2023 |
(millions) |  |  |  |  |  |
Significant noncash investing and financing activities:(1) |  |  |  |  |  |
Accrued capital expenditures |  | $ | 930 |  |  | $ | 884 |
Leases(2) |  |  | 183 |  |  |  | 294 |
(1) See Notes 3 and 17 for noncash financing activities related to debt assumed with closing of the East Ohio Transaction, the Questar Gas Transaction and the PSNC Transaction and the transfer of property associated with the settlement of litigation. (2) Includes $100 million and $51 million of financing leases at September 30, 2024 and 2023, respectively, and $83 million and $243 million of operating leases at September 30, 2024 and 2023, respectively. The following table provides supplemental disclosure of cash flow information related to Virginia Power:
Nine Months Ended September 30, |  | 2024 |  |  | 2023 |
(millions) |  |  |  |  |  |
Significant noncash investing and financing activities: |  |  |  |  |  |
Accrued capital expenditures |  | $ | 738 |  |  | $ | 646 |
Leases(1) |  |  | 156 |  |  |  | 253 |
(1) Includes $89 million and $44 million of financing leases at September 30, 2024 and 2023, respectively, and $67 million and $209 million of operating leases at September 30, 2024 and 2023, respectively.

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