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Leases (Lease Assets and Liabilities Recorded in Consolidated Balance Sheets) (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Lessee Lease Disclosure [Line Items] |  |  |
Operating lease assets | [1] | $ 578 | $ 473
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Deferred Charges Regulatory Assets And Other Assets Noncurrent | Deferred Charges Regulatory Assets And Other Assets Noncurrent
Finance lease assets | [2] | $ 258 | $ 144
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Property, plant and equipment | Property, plant and equipment
Total lease assets |  | $ 836 | $ 617
Operating lease liabilities | [3] | $ 36 | $ 39
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Payable to affiliates | Payable to affiliates
Finance lease liabilities | [4] | $ 60 | $ 46
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Securities due within one year | Securities due within one year
Total lease liabilities - current |  | $ 96 | $ 85
Operating lease liabilities | [5] | $ 627 | $ 514
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Deferred Credits and Other Liabilities | Deferred Credits and Other Liabilities
Finance lease liabilities | [6] | $ 203 | $ 104
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Noncurrent Liabilities Held for Sale, Other | Noncurrent Liabilities Held for Sale, Other
Total lease liabilities - noncurrent |  | $ 830 | $ 618
Total lease liabilities |  | 926 | 703
Virginia Electric and Power Company |  |  |
Lessee Lease Disclosure [Line Items] |  |  |
Operating lease assets | [1] | $ 393 | $ 294
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Deferred Charges Regulatory Assets And Other Assets Noncurrent | Deferred Charges Regulatory Assets And Other Assets Noncurrent
Finance lease assets | [2] | $ 104 | $ 82
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Property, plant and equipment | Property, plant and equipment
Total lease assets |  | $ 497 | $ 376
Operating lease liabilities | [3] | $ 20 | $ 21
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Payable to affiliates | Payable to affiliates
Finance lease liabilities | [4] | $ 31 | $ 17
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Securities due within one year | Securities due within one year
Total lease liabilities - current |  | $ 51 | $ 38
Operating lease liabilities | [5] | $ 377 | $ 273
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Deferred Credits and Other Liabilities | Deferred Credits and Other Liabilities
Finance lease liabilities | [6] | $ 72 | $ 65
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Other | Other
Total lease liabilities - noncurrent |  | $ 449 | $ 338
Total lease liabilities |  | $ 500 | $ 376
[1] | Dominion Energy includes $561 million and $451 million at December 31, 2023 and 2022, respectively, in other deferred charges and other assets, with the remaining balance in noncurrent assets held for sale, in its Consolidated Balance Sheets. Virginia Power’s balances are included in other deferred charges and other assets in its Consolidated Balance Sheets.
[2] | Dominion Energy includes $244 million and $127 million at December 31, 2023 and 2022, respectively, in property, plant and equipment in its Consolidated Balance Sheets, net of $142 million and $106 million at December 31, 2023 and 2022, respectively, of accumulated amortization, with the remaining balance in noncurrent assets held for sale. Virginia Power’s balances are included in property, plant and equipment in its Consolidated Balance Sheets, net of $51 million and $33 million at December 31, 2023 and 2022, respectively, of accumulated amortization.
[3] | Dominion Energy includes $32 million and $34 million at December 31, 2023 and 2022, respectively, in other current liabilities, with the remaining balance in current liabilities held for sale, in its Consolidated Balance Sheets. Virginia Power’s balances are in other current liabilities in its Consolidated Balance Sheets.
[4] | Dominion Energy includes $57 million and $42 million at December 31, 2023 and 2022, respectively, in securities due within one year, with the remaining balance in current liabilities held for sale, in its Consolidated Balance Sheets. Virginia Power’s balances are included in securities due within one year in its Consolidated Balance Sheets.
[5] | Dominion Energy includes $610 million and $494 million at December 31, 2023 and 2022, respectively, in other deferred credits and other liabilities, with the remaining balance in noncurrent liabilities held for sale, in its Consolidated Balance Sheets. Virginia Power’s balances are included in other deferred credits and other liabilities in its Consolidated Balance Sheets.
[6] | Dominion Energy includes $192 million and $91 million at December 31, 2023 and 2022, respectively, in other long-term debt, with the remaining balance in noncurrent liabilities held for sale, in its Consolidated Balance Sheets. Virginia Power’s balances are included in other long-term debt in its Consolidated Balance Sheets.

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