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Equity (Tables) | 12 Months Ended
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Dec. 31, 2022
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:
|  | Commodity |  |  | Interest Rate |  |  | Total Derivative- Hedging Activities(1) |  |  | Investment Securities(2) |  |  | Pension and other postretirement benefit costs(3) |  |  | Equity Method Investees(4) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | — |  |  | $ | (358 | ) |  | $ | (358 | ) |  | $ | 37 |  |  | $ | (1,133 | ) |  | $ | (4 | ) |  | $ | (1,458 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | — |  |  |  | 67 |  |  |  | 67 |  |  |  | (100 | ) |  |  | (218 | ) |  |  | 1 |  |  |  | (250 | )
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | — |  |  |  | 57 |  |  |  | 57 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 57 |
Other income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 25 |  |  |  | 102 |  |  |  | — |  |  |  | 127 |
Total |  |  | — |  |  |  | 57 |  |  |  | 57 |  |  |  | 25 |  |  |  | 102 |  |  |  | — |  |  |  | 184 |
Income tax expense |  |  | — |  |  |  | (15 | ) |  |  | (15 | ) |  |  | (6 | ) |  |  | (27 | ) |  |  | — |  |  |  | (48 | )
Total, net of tax |  |  | — |  |  |  | 42 |  |  |  | 42 |  |  |  | 19 |  |  |  | 75 |  |  |  | — |  |  |  | 136 |
Net current period other comprehensive income (loss) |  |  | — |  |  |  | 109 |  |  |  | 109 |  |  |  | (81 | ) |  |  | (143 | ) |  |  | 1 |  |  |  | (114 | )
Ending balance |  | $ | — |  |  | $ | (249 | ) |  | $ | (249 | ) |  | $ | (44 | ) |  | $ | (1,276 | ) |  | $ | (3 | ) |  | $ | (1,572 | )
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (1 | ) |  | $ | (418 | ) |  | $ | (419 | ) |  | $ | 62 |  |  | $ | (1,359 | ) |  | $ | (1 | ) |  | $ | (1,717 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | — |  |  |  | 15 |  |  |  | 15 |  |  |  | (7 | ) |  |  | 144 |  |  |  | (3 | ) |  |  | 149 |
Amounts reclassified from AOCI (gains) losses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased gas |  |  | 1 |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |
Interest and related charges |  |  | — |  |  |  | 60 |  |  |  | 60 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 60 |
Other income |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (23 | ) |  |  | 111 |  |  |  | — |  |  |  | 88 |
Total |  |  | 1 |  |  |  | 60 |  |  |  | 61 |  |  |  | (23 | ) |  |  | 111 |  |  |  | — |  |  |  | 149 |
Income tax expense |  |  | — |  |  |  | (15 | ) |  |  | (15 | ) |  |  | 5 |  |  |  | (29 | ) |  |  | — |  |  |  | (39 | )
Total, net of tax |  |  | 1 |  |  |  | 45 |  |  |  | 46 |  |  |  | (18 | ) |  |  | 82 |  |  |  | — |  |  |  | 110 |
Net current period other comprehensive income (loss) |  |  | 1 |  |  |  | 60 |  |  |  | 61 |  |  |  | (25 | ) |  |  | 226 |  |  |  | (3 | ) |  |  | 259 |
Ending balance |  | $ | — |  |  | $ | (358 | ) |  | $ | (358 | ) |  | $ | 37 |  |  | $ | (1,133 | ) |  | $ | (4 | ) |  | $ | (1,458 | )
(1) Net of $83 million, $119 million and $141 million tax at December 31, 2022, 2021 and 2020, respectively. (2) Net of $13 million, $(10) million and $(21) million tax at December 31, 2022 and 2021 and 2020, respectively. (3) Net of $445 million, $396 million and $478 million tax at December 31, 2022 and 2021 and 2020, respectively. (4) Net of $1 million tax at both December 31, 2022 and 2021 and $— million tax at December 31, 2020.
Summary of Restricted Stock Activity | The following table provides a summary of restricted stock activity for the years ended December 31, 2022, 2021 and 2020:
|  | Shares (millions) |  |  | Weighted - Average Grant Date Fair Value |
Nonvested at December 31, 2019 |  |  | 1.4 |  |  | $ | 74.77 |
Granted |  |  | 0.5 |  |  |  | 81.74 |
Vested |  |  | (0.4 | ) |  |  | 74.39 |
Cancelled and forfeited |  |  | (0.1 | ) |  |  | 81.59 |
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 |
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:
|  | Interest Rate |  |  | Total Derivative- Hedging Activities(1) |  |  | Investment Securities(2) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (45 | ) |  | $ | (45 | ) |  | $ | 4 |  |  | $ | (41 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 60 |  |  |  | 60 |  |  |  | (11 | ) |  |  | 49 |
Amounts reclassified from AOCI (gains) losses: |
Interest and related charges |  |  | 2 |  |  |  | 2 |  |  |  | — |  |  |  | 2 |
Total |  |  | 2 |  |  |  | 2 |  |  |  | — |  |  |  | 2 |
Income tax expense |  |  | (1 | ) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | 1 |  |  |  | 1 |  |  |  | — |  |  |  | 1 |
Net current period other comprehensive income (loss) |  |  | 61 |  |  |  | 61 |  |  |  | (11 | ) |  |  | 50 |
Ending balance |  | $ | 16 |  |  | $ | 16 |  |  | $ | (7 | ) |  | $ | 9 |
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (60 | ) |  | $ | (60 | ) |  | $ | 8 |  |  | $ | (52 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 13 |  |  |  | 13 |  |  |  | (2 | ) |  |  | 11 |
Amounts reclassified from AOCI (gains) losses: |
Interest and related charges |  |  | 3 |  |  |  | 3 |  |  |  | — |  |  |  | 3 |
Other income |  |  | — |  |  |  | — |  |  |  | (3 | ) |  |  | (3 | )
Total |  |  | 3 |  |  |  | 3 |  |  |  | (3 | ) |  |  | — |
Income tax expense |  |  | (1 | ) |  |  | (1 | ) |  |  | 1 |  |  |  | — |
Total, net of tax |  |  | 2 |  |  |  | 2 |  |  |  | (2 | ) |  |  | — |
Net current period other comprehensive income (loss) |  |  | 15 |  |  |  | 15 |  |  |  | (4 | ) |  |  | 11 |
Ending balance |  | $ | (45 | ) |  | $ | (45 | ) |  | $ | 4 |  |  | $ | (41 | )
(1) Net of $(5) million, $16 million and $21 million tax at December 31, 2022, 2021 and 2020, respectively. (2) Net of $2 million, $(2) million and $(3) million tax at December 31, 2022, 2021 and 2020, respectively.

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