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Equity Securities (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Components of Change in Net Gains (Losses) on Equity Securities | The net gains (losses) on equity securities recognized in “Investment related gains (losses)” on the Consolidated Statements of Operations are shown below:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
|  | (Dollars in millions)
Unrealized gains (losses) on equity securities |  | $ | 21 |  |  | $ | (9) |  |  | $ | 43 |  |  | $ | 33 |
Net gains (losses) on equity securities sold |  | 2 |  |  | (1) |  |  | 4 |  |  | — |
Net gains (losses) on equity securities |  | $ | 23 |  |  | $ | (10) |  |  | $ | 47 |  |  | $ | 33 |
Equity securities by market sector distribution are shown below, based on carrying value:
|  | September 30, 2024 |  | December 31, 2023
Energy and utilities |  | 30 | % |  | 30 | %
Finance |  | 17 | % |  | 24 | %
Healthcare |  | 6 | % |  | 9 | %
Industrials |  | 9 | % |  | 3 | %
Information technology |  | 20 | % |  | 18 | %
Education |  | 11 | % |  | — | %
Other |  | 7 | % |  | 16 | %
Total |  | 100 | % |  | 100 | %

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B + Details
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