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Accumulated Other Comprehensive Income (Loss) | 3 Months Ended
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Mar. 31, 2022
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Note 7. Accumulated Other Comprehensive Income (Loss) Dominion Energy 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) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | — |  |  |  |  | $ | (358 | ) |  |  |  | $ | (358 | ) |  |  |  | $ | 37 |  |  |  |  | $ | (1,133 | ) |  |  |  | $ | (4 | ) |  |  |  | $ | (1,458 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | — |  |  |  |  |  | 25 |  |  |  |  |  | 25 |  |  |  |  |  | (62 | ) |  |  |  |  | 28 |  |  |  |  |  | 1 |  |  |  |  |  | (8 | )
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | — |  |  |  |  |  | 14 |  |  |  |  |  | 14 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 14 |
Other income |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 4 |  |  |  |  |  | 23 |  |  |  |  |  | — |  |  |  |  |  | 27 |
Total |  |  | — |  |  |  |  |  | 14 |  |  |  |  |  | 14 |  |  |  |  |  | 4 |  |  |  |  |  | 23 |  |  |  |  |  | — |  |  |  |  |  | 41 |
Income tax expense |  |  | — |  |  |  |  |  | (4 | ) |  |  |  |  | (4 | ) |  |  |  |  | (1 | ) |  |  |  |  | (6 | ) |  |  |  |  | — |  |  |  |  |  | (11 | )
Total, net of tax |  |  | — |  |  |  |  |  | 10 |  |  |  |  |  | 10 |  |  |  |  |  | 3 |  |  |  |  |  | 17 |  |  |  |  |  | — |  |  |  |  |  | 30 |
Net current period other comprehensive income (loss) |  |  | — |  |  |  |  |  | 35 |  |  |  |  |  | 35 |  |  |  |  |  | (59 | ) |  |  |  |  | 45 |  |  |  |  |  | 1 |  |  |  |  |  | 22 |
Ending balance |  | $ | — |  |  |  |  | $ | (323 | ) |  |  |  | $ | (323 | ) |  |  |  | $ | (22 | ) |  |  |  | $ | (1,088 | ) |  |  |  | $ | (3 | ) |  |  |  | $ | (1,436 | )
Three Months Ended March 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (1 | ) |  |  |  | $ | (418 | ) |  |  |  | $ | (419 | ) |  |  |  | $ | 62 |  |  |  |  | $ | (1,359 | ) |  |  |  | $ | (1 | ) |  |  |  | $ | (1,717 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | — |  |  |  |  |  | 39 |  |  |  |  |  | 39 |  |  |  |  |  | (31 | ) |  |  |  |  | 6 |  |  |  |  |  | — |  |  |  |  |  | 14 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased gas |  |  | 1 |  |  |  |  |  | — |  |  |  |  |  | 1 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 1 |
Interest and related charges |  |  | — |  |  |  |  |  | 16 |  |  |  |  |  | 16 |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 16 |
Other income |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 1 |  |  |  |  |  | 25 |  |  |  |  |  | — |  |  |  |  |  | 26 |
Total |  |  | 1 |  |  |  |  |  | 16 |  |  |  |  |  | 17 |  |  |  |  |  | 1 |  |  |  |  |  | 25 |  |  |  |  |  | — |  |  |  |  |  | 43 |
Income tax expense |  |  | — |  |  |  |  |  | (4 | ) |  |  |  |  | (4 | ) |  |  |  |  | — |  |  |  |  |  | (7 | ) |  |  |  |  | — |  |  |  |  |  | (11 | )
Total, net of tax |  |  | 1 |  |  |  |  |  | 12 |  |  |  |  |  | 13 |  |  |  |  |  | 1 |  |  |  |  |  | 18 |  |  |  |  |  | — |  |  |  |  |  | 32 |
Net current period other comprehensive income (loss) |  |  | 1 |  |  |  |  |  | 51 |  |  |  |  |  | 52 |  |  |  |  |  | (30 | ) |  |  |  |  | 24 |  |  |  |  |  | — |  |  |  |  |  | 46 |
Ending balance |  | $ | — |  |  |  |  | $ | (367 | ) |  |  |  | $ | (367 | ) |  |  |  | $ | 32 |  |  |  |  | $ | (1,335 | ) |  |  |  | $ | (1 | ) |  |  |  | $ | (1,671 | )
(1) | Net of $107 million, $119 million, $123 million and $141 million tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.
(2) | Net of $8 million, $(10) million, $(11) million and $(21) million tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.
(3) | Net of $380 million, $396 million, $468 million and $478 million tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.
(4) | Net of $1 million, $1 million, $— and $— tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.
Virginia Power The following table presents Virginia Power’s changes in AOCI (net of tax) and reclassifications out of AOCI by component:
|  | Interest Rate |  |  |  |  | Total Derivative-Hedging Activities(1) |  |  |  |  | Investment Securities(2) |  |  |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended March 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (45 | ) |  |  |  | $ | (45 | ) |  |  |  | $ | 4 |  |  |  |  | $ | (41 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 19 |  |  |  |  |  | 19 |  |  |  |  |  | (7 | ) |  |  |  |  | 12 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | — |  |  |  |  |  | 1 |
Other income |  |  | — |  |  |  |  |  | — |  |  |  |  |  | (1 | ) |  |  |  |  | (1 | )
Total |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | (1 | ) |  |  |  |  | — |
Income tax expense |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |
Total, net of tax |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | (1 | ) |  |  |  |  | — |
Net current period other comprehensive income (loss) |  |  | 20 |  |  |  |  |  | 20 |  |  |  |  |  | (8 | ) |  |  |  |  | 12 |
Ending balance |  | $ | (25 | ) |  |  |  | $ | (25 | ) |  |  |  | $ | (4 | ) |  |  |  | $ | (29 | )
Three Months Ended March 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | (60 | ) |  |  |  | $ | (60 | ) |  |  |  | $ | 8 |  |  |  |  | $ | (52 | )
Other comprehensive income before reclassifications: gains (losses) |  |  | 32 |  |  |  |  |  | 32 |  |  |  |  |  | (5 | ) |  |  |  |  | 27 |
Amounts reclassified from AOCI: (gains) losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest and related charges |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | — |  |  |  |  |  | 1 |
Other income |  |  | — |  |  |  |  |  | — |  |  |  |  |  | 1 |  |  |  |  |  | 1 |
Total |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | 2 |
Income tax expense |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |  |  |  |  |  | — |
Total, net of tax |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | 1 |  |  |  |  |  | 2 |
Net current period other comprehensive income (loss) |  |  | 33 |  |  |  |  |  | 33 |  |  |  |  |  | (4 | ) |  |  |  |  | 29 |
Ending balance |  | $ | (27 | ) |  |  |  | $ | (27 | ) |  |  |  | $ | 4 |  |  |  |  | $ | (23 | )
(1) | Net of $9 million, $16 million, $10 million and $21 million tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.
(2) | Net of $1 million, $(2) million, $(2) million and $(3) million tax at March 31, 2022, December 31, 2021, March 31, 2021 and December 31, 2020, respectively.

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