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Equity (Tables) | 12 Months Ended
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Dec. 31, 2023
Schedule of Changes in AOCI Net of Tax and Reclassifications out of AOCI by Component | The following table presents Dominion Energy’s changes in AOCI (net of tax) and reclassifications out of AOCI by component:
|  | Total Derivative- Hedging Activities(1)(2) |  |  | Investment Securities(3) |  |  | Pension and other postretirement benefit costs(4) |  |  | Equity Method Investees(5) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (249 | ) |  | $ | (44 | ) |  | $ | (1,276 | ) |  | $ | (3 | ) |  | $ | (1,572 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | — |  |  |  | 55 |  |  |  | 27 |  |  |  | — |  |  |  | 82 |
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 43 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 43 |
Other income (expense) |  |  | — |  |  |  | (14 | ) |  |  | (61 | ) |  |  | — |  |  |  | (75 | )
Discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | 4 |
Total |  |  | 43 |  |  |  | (14 | ) |  |  | (61 | ) |  |  | 4 |  |  |  | (28 | )
Income tax expense (benefit) |  |  | (10 | ) |  |  | 3 |  |  |  | 20 |  |  |  | (1 | ) |  |  | 12 |
Total, net of tax |  |  | 33 |  |  |  | (11 | ) |  |  | (41 | ) |  |  | 3 |  |  |  | (16 | )
Net current period other comprehensive income (loss) |  |  | 33 |  |  |  | 44 |  |  |  | (14 | ) |  |  | 3 |  |  |  | 66 |
Ending balance |  | $ | (216 | ) |  | $ | — |  |  | $ | (1,290 | ) |  | $ | — |  |  | $ | (1,506 | )
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (358 | ) |  | $ | 37 |  |  | $ | (1,133 | ) |  | $ | (4 | ) |  | $ | (1,458 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 67 |  |  |  | (100 | ) |  |  | (218 | ) |  |  | 1 |  |  |  | (250 | )
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 57 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 57 |
Other income (expense) |  |  | — |  |  |  | 25 |  |  |  | 102 |  |  |  | — |  |  |  | 127 |
Total |  |  | 57 |  |  |  | 25 |  |  |  | 102 |  |  |  | — |  |  |  | 184 |
Income tax expense (benefit) |  |  | (15 | ) |  |  | (6 | ) |  |  | (27 | ) |  |  | — |  |  |  | (48 | )
Total, net of tax |  |  | 42 |  |  |  | 19 |  |  |  | 75 |  |  |  | — |  |  |  | 136 |
Net current period other comprehensive income (loss) |  |  | 109 |  |  |  | (81 | ) |  |  | (143 | ) |  |  | 1 |  |  |  | (114 | )
Ending balance |  | $ | (249 | ) |  | $ | (44 | ) |  | $ | (1,276 | ) |  | $ | (3 | ) |  | $ | (1,572 | )
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $7 3 million, $83 million and $119 million tax at December 31, 2023, 2022 and 2021, respectively. (3) Net of $(2) million, $13 million and $(10) million tax at December 31, 2023 and 2022 and 2021, respectively. (4) Net of $456 million, $445 million and $396 million tax at December 31, 2023 and 2022 and 2021, respectively. (5) Net of $— million, $1 million, and $1 million tax at December 31, 2023, 2022 and 2021, respectively.
Summary of Restricted Stock Activity | The following table provides a summary of restricted stock activity for the years ended December 31, 2023, 2022 and 2021:
|  | Shares (millions) |  |  | Weighted - Average Grant Date Fair Value |
Nonvested at December 31, 2020 |  |  | 1.4 |  |  | $ | 77.41 |
Granted |  |  | 0.5 |  |  |  | 71.78 |
Vested |  |  | (0.5 | ) |  |  | 73.54 |
Cancelled and forfeited |  |  | (0.1 | ) |  |  | 75.57 |
Nonvested at December 31, 2021 |  |  | 1.3 |  |  | $ | 76.65 |
Granted |  |  | 0.6 |  |  |  | 75.08 |
Vested |  |  | (0.4 | ) |  |  | 77.87 |
Cancelled and forfeited |  |  | (0.1 | ) |  |  | 73.15 |
Nonvested at December 31, 2022 |  |  | 1.4 |  |  | $ | 75.56 |
Granted |  |  | 1.0 |  |  |  | 48.99 |
Vested |  |  | (0.4 | ) |  |  | 79.89 |
Cancelled and forfeited |  |  | (0.1 | ) |  |  | 53.36 |
Nonvested at December 31, 2023 |  |  | 1.9 |  |  | $ | 61.34 |
Virginia Electric and Power Company |
Schedule of Changes in AOCI Net of Tax and Reclassifications out of AOCI by Component | The following table presents Virginia Power’s changes in AOCI (net of tax) and reclassification out of AOCI by component:
|  | Total Derivative- Hedging Activities(1)(2) |  |  | Investment Securities(3) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |
Year Ended December 31, 2023 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 16 |  |  | $ | (7 | ) |  | $ | 9 |
Other comprehensive income before reclassifications: gains (losses) |  |  | (1 | ) |  |  | 7 |  |  |  | 6 |
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 1 |  |  |  | — |  |  |  | 1 |
Other income (expense) |  |  | — |  |  |  | 1 |  |  |  | 1 |
Total |  |  | 1 |  |  |  | 1 |  |  |  | 2 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | — |  |  |  | 1 |  |  |  | 1 |
Net current period other comprehensive income (loss) |  |  | (1 | ) |  |  | 8 |  |  |  | 7 |
Ending balance |  | $ | 15 |  |  | $ | 1 |  |  | $ | 16 |
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (45 | ) |  | $ | 4 |  |  | $ | (41 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 60 |  |  |  | (11 | ) |  |  | 49 |
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 2 |  |  |  | — |  |  |  | 2 |
Other income (expense) |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 2 |  |  |  | — |  |  |  | 2 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | 1 |  |  |  | — |  |  |  | 1 |
Net current period other comprehensive income (loss) |  |  | 61 |  |  |  | (11 | ) |  |  | 50 |
Ending balance |  | $ | 16 |  |  | $ | (7 | ) |  | $ | 9 |
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $(5) million, $(5) million and $16 million tax at December 31, 2023, 2022 and 2021, respectively. (3) Net of $— million, $2 million and $(2) million tax at December 31, 2023, 2022 and 2021, respectively.

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