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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 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) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (236 | ) |  | $ | (29 | ) |  | $ | (1,299 | ) |  | $ | (2 | ) |  | $ | (1,566 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 19 |  |  |  | (22 | ) |  |  | — |  |  |  | (1 | ) |  |  | (4 | )
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 11 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11 |
Discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | 4 |
Other income (expense) |  |  | — |  |  |  | 2 |  |  |  | (15 | ) |  |  | — |  |  |  | (13 | )
Total |  |  | 11 |  |  |  | 2 |  |  |  | (15 | ) |  |  | 4 |  |  |  | 2 |
Income tax expense (benefit) |  |  | (3 | ) |  |  | — |  |  |  | 7 |  |  |  | (1 | ) |  |  | 3 |
Total, net of tax |  |  | 8 |  |  |  | 2 |  |  |  | (8 | ) |  |  | 3 |  |  |  | 5 |
Net current period other comprehensive income (loss) |  |  | 27 |  |  |  | (20 | ) |  |  | (8 | ) |  |  | 2 |  |  |  | 1 |
Ending balance |  | $ | (209 | ) |  | $ | (49 | ) |  | $ | (1,307 | ) |  | $ | — |  |  | $ | (1,565 | )
Three Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (283 | ) |  | $ | (40 | ) |  | $ | (1,070 | ) |  | $ | (3 | ) |  | $ | (1,396 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 10 |  |  |  | (27 | ) |  |  | — |  |  |  | — |  |  |  | (17 | )
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 16 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 16 |
Other income (expense) |  |  | — |  |  |  | 2 |  |  |  | 35 |  |  |  | — |  |  |  | 37 |
Total |  |  | 16 |  |  |  | 2 |  |  |  | 35 |  |  |  | — |  |  |  | 53 |
Income tax expense (benefit) |  |  | (4 | ) |  |  | (1 | ) |  |  | (9 | ) |  |  | — |  |  |  | (14 | )
Total, net of tax |  |  | 12 |  |  |  | 1 |  |  |  | 26 |  |  |  | — |  |  |  | 39 |
Net current period other comprehensive income (loss) |  |  | 22 |  |  |  | (26 | ) |  |  | 26 |  |  |  | — |  |  |  | 22 |
Ending balance |  | $ | (261 | ) |  | $ | (66 | ) |  | $ | (1,044 | ) |  | $ | (3 | ) |  | $ | (1,374 | )
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $70 million, $79 million, $87 million and $94 million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively. (3) Net of $16 million, $9 million, $23 million and $14 million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively. (4) Net of $461 million, $453 million, $367 million and $376 million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively. (5) Net of $— million, $— million, $1 million and $1 million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively.
|  | Total Derivative-Hedging Activities(1)(2) |  |  | Investment Securities(3) |  |  | Pension and other postretirement benefit costs(4) |  |  | Equity Method Investees(5) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nine Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (249 | ) |  | $ | (44 | ) |  | $ | (1,276 | ) |  | $ | (3 | ) |  | $ | (1,572 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 16 |  |  |  | (6 | ) |  |  | — |  |  |  | — |  |  |  | 10 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 32 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 32 |
Discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 4 |  |  |  | 4 |
Other income (expense) |  |  | — |  |  |  | 1 |  |  |  | (46 | ) |  |  | — |  |  |  | (45 | )
Total |  |  | 32 |  |  |  | 1 |  |  |  | (46 | ) |  |  | 4 |  |  |  | (9 | )
Income tax expense (benefit) |  |  | (8 | ) |  |  | — |  |  |  | 15 |  |  |  | (1 | ) |  |  | 6 |
Total, net of tax |  |  | 24 |  |  |  | 1 |  |  |  | (31 | ) |  |  | 3 |  |  |  | (3 | )
Net current period other comprehensive income (loss) |  |  | 40 |  |  |  | (5 | ) |  |  | (31 | ) |  |  | 3 |  |  |  | 7 |
Ending balance |  | $ | (209 | ) |  | $ | (49 | ) |  | $ | (1,307 | ) |  | $ | — |  |  | $ | (1,565 | )
Nine Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (358 | ) |  | $ | 37 |  |  | $ | (1,133 | ) |  | $ | (4 | ) |  | $ | (1,458 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 64 |  |  |  | (116 | ) |  |  | 30 |  |  |  | 1 |  |  |  | (21 | )
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 44 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 44 |
Other income (expense) |  |  | — |  |  |  | 18 |  |  |  | 80 |  |  |  | — |  |  |  | 98 |
Total |  |  | 44 |  |  |  | 18 |  |  |  | 80 |  |  |  | — |  |  |  | 142 |
Income tax expense (benefit) |  |  | (11 | ) |  |  | (5 | ) |  |  | (21 | ) |  |  | — |  |  |  | (37 | )
Total, net of tax |  |  | 33 |  |  |  | 13 |  |  |  | 59 |  |  |  | — |  |  |  | 105 |
Net current period other comprehensive income (loss) |  |  | 97 |  |  |  | (103 | ) |  |  | 89 |  |  |  | 1 |  |  |  | 84 |
Ending balance |  | $ | (261 | ) |  | $ | (66 | ) |  | $ | (1,044 | ) |  | $ | (3 | ) |  | $ | (1,374 | )
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $70 million, $83 million, $87 million and $119 million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively. (3) Net of $16 million, $13 million, $23 million and $(10) million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively. (4) Net of $461 million, $445 million, $367 million and $396 million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively. (5) Net of $— million, $1 million, $1 million and $1 million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively.
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 reclassifications out of AOCI by component:
|  | Total Derivative-Hedging Activities(1)(2) |  |  | Investment Securities(3) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 13 |  |  | $ | (4 | ) |  | $ | 9 |
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 18 |  |  |  | (3 | ) |  |  | 15 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |
Interest and related charges |  |  | 1 |  |  |  | — |  |  |  | 1 |
Other income (expense) |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 1 |  |  |  | — |  |  |  | 1 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 18 |  |  |  | (3 | ) |  |  | 15 |
Ending balance |  | $ | 31 |  |  | $ | (7 | ) |  | $ | 24 |
Three Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | — |  |  | $ | (7 | ) |  | $ | (7 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 13 |  |  |  | (4 | ) |  |  | 9 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |
Interest and related charges (benefit) |  |  | 1 |  |  |  | — |  |  |  | 1 |
Other income (expense) |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 1 |  |  |  | — |  |  |  | 1 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 13 |  |  |  | (4 | ) |  |  | 9 |
Ending balance |  | $ | 13 |  |  | $ | (11 | ) |  | $ | 2 |
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $(11) million, $(4) million, $(4) million and $— million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively. (3) Net of $3 million, $1 million, $4 million and $3 million tax at September 30, 2023, June 30, 2023, September 30, 2022 and June 30, 2022, respectively.
|  | Total Derivative-Hedging Activities(1)(2) |  |  | Investment Securities(3) |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |
Nine Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 16 |  |  | $ | (7 | ) |  | $ | 9 |
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 15 |  |  |  | — |  |  |  | 15 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |
Interest and related charges |  |  | 1 |  |  |  | — |  |  |  | 1 |
Other income (expense) |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 1 |  |  |  | — |  |  |  | 1 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | — |  |  |  | — |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 15 |  |  |  | — |  |  |  | 15 |
Ending balance |  | $ | 31 |  |  | $ | (7 | ) |  | $ | 24 |
Nine Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (45 | ) |  | $ | 4 |  |  | $ | (41 | )
Other comprehensive income (loss) before reclassifications: gains (losses) |  |  | 57 |  |  |  | (14 | ) |  |  | 43 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |
Interest and related charges |  |  | 2 |  |  |  | — |  |  |  | 2 |
Other income (expense) |  |  | — |  |  |  | (1 | ) |  |  | (1 | )
Total |  |  | 2 |  |  |  | (1 | ) |  |  | 1 |
Income tax expense (benefit) |  |  | (1 | ) |  |  | — |  |  |  | (1 | )
Total, net of tax |  |  | 1 |  |  |  | (1 | ) |  |  | — |
Net current period other comprehensive income (loss) |  |  | 58 |  |  |  | (15 | ) |  |  | 43 |
Ending balance |  | $ | 13 |  |  | $ | (11 | ) |  | $ | 2 |
(1) Comprised entirely of interest rate derivative hedging activities. (2) Net of $(11) million, $(5) million, $(4) million and $16 million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively. (3) Net of $3 million, $2 million, $4 million and $(2) million tax at September 30, 2023, December 31, 2022, September 30, 2022 and December 31, 2021, respectively.

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