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Long-Term Debt (Based on Stated Maturity Dates Rather than Early Redemption Dates that Could be Elected by Instrument Holders) (Detail) $ in Millions | Dec. 31, 2023 USD ($)
--- | ---
Debt Instrument [Line Items] |  |
2024 | $ 6,581 |
2025 | 1,519 |
2026 | 2,140 |
2027 | 1,804 |
2028 | 1,309 |
Thereafter | 26,853 |
Total | $ 40,206 |
Weighted- average coupon, 2024 | 5.83% |
Weighted- average coupon, 2025 | 3.57% |
Weighted- average coupon, 2026 | 2.64% |
Weighted- average coupon, 2027 | 3.77% |
Weighted- average coupon, 2028 | 4.01% |
Weighted- average coupon, Thereafter | 4.57% |
Sustainability Revolving Credit Agreement |  |
Debt Instrument [Line Items] |  |
2024 | $ 450 |
Total | 450 |
Term loans |  |
Debt Instrument [Line Items] |  |
2024 | 4,750 |
Total | 4,750 |
First mortgage bonds |  |
Debt Instrument [Line Items] |  |
2028 | 53 |
Thereafter | 4,081 |
Total | 4,134 |
Unsecured senior notes |  |
Debt Instrument [Line Items] |  |
2024 | 650 |
2025 | 1,500 |
2026 | 2,120 |
2027 | 1,783 |
2028 | 1,195 |
Thereafter | 21,164 |
Total | 28,412 |
Secured senior notes |  |
Debt Instrument [Line Items] |  |
2024 | 31 | [1]
2025 | 19 | [1]
2026 | 20 | [1]
2027 | 21 | [1]
2028 | 22 | [1]
Thereafter | 178 | [1]
Total | 291 | [1]
Tax-exempt financings |  |
Debt Instrument [Line Items] |  |
2028 | 39 |
Thereafter | 735 |
Total | 774 |
Unsecured junior subordinated notes payable to affiliated trusts |  |
Debt Instrument [Line Items] |  |
Thereafter | 10 |
Total | 10 |
Unsecured junior subordinated notes |  |
Debt Instrument [Line Items] |  |
2024 | 700 |
Total | 700 |
Enhanced Junior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Thereafter | 685 |
Total | 685 |
Virginia Electric and Power Company |  |
Debt Instrument [Line Items] |  |
2024 | 350 |
2025 | 350 |
2026 | 1,150 |
2027 | 1,350 |
2028 | 700 |
Thereafter | 13,660 |
Total | $ 17,560 |
Weighted- average coupon, 2024 | 3.45% |
Weighted- average coupon, 2025 | 3.10% |
Weighted- average coupon, 2026 | 3.08% |
Weighted- average coupon, 2027 | 3.61% |
Weighted- average coupon, 2028 | 3.80% |
Weighted- average coupon, Thereafter | 4.37% |
Virginia Electric and Power Company | Unsecured senior notes |  |
Debt Instrument [Line Items] |  |
2024 | $ 350 |
2025 | 350 |
2026 | 1,150 |
2027 | 1,350 |
2028 | 700 |
Thereafter | 13,035 |
Total | 16,935 |
Virginia Electric and Power Company | Tax-exempt financings |  |
Debt Instrument [Line Items] |  |
Thereafter | 625 |
Total | $ 625 |
[1] | Represents debt associated with Eagle Solar. In February 2024, Eagle Solar redeemed the remaining principal outstanding of $279 million. The debt which otherwise would have matured in 2042 was nonrecourse to Dominion Energy and was secured by Eagle Solar's interest in certain solar facilities. As such, these borrowings are presented within securities due within one year in Dominion Energy’s Consolidated Balance Sheets at December 31, 2023.

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