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Investments | 3 Months Ended
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Mar. 31, 2023
Investments Debt And Equity Securities [Abstract] |
Investments | Note 10. Investments Dominion Energy Equity and Debt Securities Rabbi Trust Securities Equity and fixed income securities and cash equivalents in Dominion Energy’s rabbi trusts and classified as trading totaled $108 million and $111 million at March 31, 2023 and December 31, 2022, respectively. Decommissioning Trust Securities The Companies hold equity and fixed income securities and cash equivalents, and Dominion Energy also holds insurance contracts, in nuclear decommissioning trust funds to fund future decommissioning costs for its nuclear plants. The Companies' decommissioning trust funds are summarized below:
| Dominion Energy |  |  | Virginia Power |
| Amortized Cost |  | Total Unrealized Gains |  | Total Unrealized Losses |  |  | Allowance for Credit Losses |  | Fair Value |  |  | Amortized Cost |  | Total Unrealized Gains |  | Total Unrealized Losses |  |  | Allowance for Credit Losses |  | Fair Value |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities:(1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. | $ | 1,392 |  | $ | 2,708 |  | $ | (25 | ) |  |  |  | $ | 4,075 |  |  | $ | 867 |  | $ | 1,407 |  | $ | (22 | ) |  |  |  | $ | 2,252 |
Fixed income securities:(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt instruments |  | 586 |  |  | 3 |  |  | (46 | ) |  | $ | — |  |  | 543 |  |  |  | 360 |  |  | 2 |  |  | (33 | ) |  | $ | — |  |  | 329 |
Government securities |  | 1,299 |  |  | 12 |  |  | (42 | ) |  |  | — |  |  | 1,269 |  |  |  | 709 |  |  | 7 |  |  | (19 | ) |  |  | — |  |  | 697 |
Common/ collective trust funds |  | 74 |  |  | — |  |  | — |  |  |  | — |  |  | 74 |  |  |  | 54 |  |  | — |  |  | — |  |  |  | — |  |  | 54 |
Insurance contracts |  | 232 |  |  | — |  |  | — |  |  |  |  |  | 232 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents and other(3) |  | 69 |  |  | — |  |  | — |  |  |  | — |  |  | 69 |  |  |  | 28 |  |  | — |  |  | — |  |  |  | — |  |  | 28 |
Total | $ | 3,652 |  | $ | 2,723 |  | $ | (113 | ) | (4) | $ | — |  | $ | 6,262 |  |  | $ | 2,018 |  | $ | 1,416 |  | $ | (74 | ) | (4) | $ | — |  | $ | 3,360 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities:(1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. | $ | 1,378 |  | $ | 2,501 |  | $ | (46 | ) |  |  |  | $ | 3,833 |  |  | $ | 858 |  | $ | 1,304 |  | $ | (35 | ) |  |  |  | $ | 2,127 |
Fixed income securities:(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt instruments |  | 640 |  |  | 1 |  |  | (65 | ) |  | $ | — |  |  | 576 |  |  |  | 406 |  |  | 1 |  |  | (47 | ) |  | $ | — |  |  | 360 |
Government securities |  | 1,252 |  |  | 4 |  |  | (70 | ) |  |  | — |  |  | 1,186 |  |  |  | 664 |  |  | 2 |  |  | (35 | ) |  |  | — |  |  | 631 |
Common/ collective trust funds |  | 98 |  |  | — |  |  | — |  |  |  | — |  |  | 98 |  |  |  | 61 |  |  | — |  |  | — |  |  |  | — |  |  | 61 |
Insurance contracts |  | 221 |  |  | — |  |  | — |  |  |  |  |  | 221 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents and other(3) |  | 43 |  |  | — |  |  | — |  |  |  | — |  |  | 43 |  |  |  | 23 |  |  | — |  |  | — |  |  |  | — |  |  | 23 |
Total | $ | 3,632 |  | $ | 2,506 |  | $ | (181 | ) | (4) | $ | — |  | $ | 5,957 |  |  | $ | 2,012 |  | $ | 1,307 |  | $ | (117 | ) | (4) | $ | — |  | $ | 3,202 |
(1) Unrealized gains and losses on equity securities are included in other income (expense) and the nuclear decommissioning trust regulatory liability. (2) Unrealized gains and losses on fixed income securities are included in AOCI and the nuclear decommissioning trust regulatory liability. Changes in allowance for credit losses are included in other income (expense). (3) Dominion Energy includes pending sales of securities of $33 million and $42 million at March 31, 2023 and December 31, 2022, respectively. Virginia Power includes pending sales of securities of $17 million and $24 million at March 31, 2023, and December 31, 2022, respectively. (4) Dominion Energy's fair value of securities in an unrealized loss position was $1.2 billion and $1.6 billion at March 31, 2023 and December 31, 2022, respectively. Virginia Power's fair value of securities in an unrealized loss position was $627 million and $946 million at March 31, 2023 and December 31, 2022, respectively. The portion of unrealized gains and losses that relates to equity securities held within Dominion Energy and Virginia Power’s nuclear decommissioning trusts is summarized below:
|  | Dominion Energy |  |  | Virginia Power |
Three Months Ended March 31, |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Net gains (losses) recognized during the period |  | $ | 226 |  |  | $ | (206 | ) |  | $ | 116 |  |  | $ | (102 | )
Less: Net (gains) losses recognized during the period on securities sold during the period |  |  | 2 |  |  |  | (1 | ) |  |  | 1 |  |  |  | (4 | )
Unrealized gains (losses) recognized during the period on securities still held at period end(1) |  | $ | 228 |  |  | $ | (207 | ) |  | $ | 117 |  |  | $ | (106 | )
(1) Included in other income (expense) and the nuclear decommissioning trust regulatory liability. The fair value of Dominion Energy and Virginia Power’s fixed income securities with readily determinable fair values held in nuclear decommissioning trust funds at March 31, 2023 by contractual maturity is as follows:
|  | Dominion Energy |  |  | Virginia Power |
(millions) |  |  |  |  |  |
Due in one year or less |  | $ | 90 |  |  | $ | 58 |
Due after one year through five years |  |  | 500 |  |  |  | 274 |
Due after five years through ten years |  |  | 420 |  |  |  | 245 |
Due after ten years |  |  | 876 |  |  |  | 503 |
Total |  | $ | 1,886 |  |  | $ | 1,080 |
Presented below is selected information regarding Dominion Energy and Virginia Power’s equity and fixed income securities with readily determinable fair values held in nuclear decommissioning trust funds.
|  | Dominion Energy |  |  | Virginia Power |
Three Months Ended March 31, |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales |  | $ | 544 |  |  | $ | 814 |  |  | $ | 373 |  |  | $ | 392 |
Realized gains(1) |  |  | 21 |  |  |  | 40 |  |  |  | 17 |  |  |  | 16 |
Realized losses(1) |  |  | 41 |  |  |  | 54 |  |  |  | 31 |  |  |  | 19 |
(1) Includes realized gains and losses recorded to the nuclear decommissioning trust regulatory liability. Equity Method Investments Dominion Energy recorded equity earnings on its investments of $80 million for both the three months ended March 31, 2023 and 2022, in earnings from equity method investees in its Consolidated Statements of Income. In addition, Dominion Energy recorded equity losses of $1 million and $2 million for the three months ended March 31, 2023 and 2022, respectively, in discontinued operations related to its investment in Atlantic Coast Pipeline. Dominion Energy received distributions of $85 million and $76 million for the three months ended March 31, 2023 and 2022, respectively. Dominion Energy made contributions of $10 million and $74 million for the three months ended March 31, 2023 and 2022, respectively. At March 31, 2023 and December 31, 2022, the net difference between the carrying amount of Dominion Energy’s investments and its share of underlying equity in net assets was $217 million and $223 million, respectively. At March 31, 2023, these differences are primarily comprised of $9 million of equity method goodwill that is not being amortized and a $213 million basis difference from Dominion Energy’s investment in Cove Point, which is being amortized over the useful lives of the underlying assets. At December 31, 2022, these differences are comprised of $9 million of equity method goodwill that is not being amortized, $215 million basis difference from Dominion Energy’s investment in Cove Point, which is being amortized over the useful lives of the underlying assets and a net $(1) million basis difference primarily attributable to capitalized interest. Cove Point Dominion Energy holds a 50% noncontrolling limited partnership interest in Cove Point which is accounted for as an equity method investment, as discussed in Note 9 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2022. Dominion Energy recorded distributions from Cove Point of $83 million and $76 million for the three months ended March 31, 2023 and 2022, respectively. Atlantic Coast Pipeline A description of Dominion Energy’s investment in Atlantic Coast Pipeline, including events that led to the cancellation of the Atlantic Coast Pipeline Project in July 2020, is included in Note 9 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2022. At March 31, 2023 and December 31, 2022, Dominion Energy has recorded a liability of $100 million and $114 million, respectively, in other current liabilities in its Consolidated Balance Sheets as a result of its share of equity losses exceeding its investment which reflects Dominion Energy’s obligations on behalf of Atlantic Coast Pipeline related to its AROs. Dominion Energy recorded $6 million of contributions to Atlantic Coast Pipeline during the three months ended March 31, 2023. Dominion Energy made no contributions to Atlantic Coast Pipeline during the three months ended March 31, 2022. Dominion Energy expects to incur additional losses from Atlantic Coast Pipeline as it completes wind-down activities. While Dominion Energy is unable to precisely estimate the amounts to be incurred by Atlantic Coast Pipeline, the portion of such amounts attributable to Dominion Energy is not expected to be material to Dominion Energy’s results of operations, financial position or statement of cash flows. Wrangler A description of Dominion Energy’s investment in Wrangler (through March 2022) is included in Note 9 to the Consolidated Financial Statements in Dominion Energy’s Annual Report on Form 10-K for the year ended December 31, 2022. In March 2022, Dominion Energy sold its remaining 15% noncontrolling partnership interest in Wrangler to Interstate Gas Supply, Inc. for cash consideration of $85 million. Dominion Energy recognized a gain of $11 million ($8 million after-tax), included in other income (expense), in its Consolidated Statements of Income for the three months ended March 31, 2022. Dominion Privatization Dominion Energy holds a 50% noncontrolling ownership interest in Dominion Privatization which is accounted for as an equity method investment, as discussed in Note 9 to the Consolidated Financial Statements in the Companies’ Annual Report on Form 10-K for the year ended December 31, 2022. In March 2022, Dominion Energy completed its initial contribution of privatization operations in South Carolina (excluding contracts held by DESC), Texas and Pennsylvania to Dominion Privatization for total consideration of $120 million, subject to customary closing adjustments, comprised of $60 million in cash proceeds and a 50% noncontrolling ownership interest in Dominion Privatization with an initial fair value of $60 million, estimated using the market approach. This was considered a Level 2 fair value measurement given that it was based on the agreed-upon sales price. In the first quarter of 2022, Dominion Energy recorded a gain of $23 million ($16 million after-tax), presented in losses (gains) on sales of assets in its Consolidated Statements of Income.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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