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EQUITY SECURITIES (Tables) | 6 Months Ended
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Jun. 30, 2025
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 statements of operations are shown below:
FOR THE PERIODS ENDED JUN. 30 US$ MILLIONS |  | Three Months Ended |  | Six Months Ended |  |  |
| 2025 |  | 2024 |  | 2025 |  | 2024 |  |  |
Unrealized gains (losses) on equity securities |  | $ | 477 |  |  | $ | (144) |  |  | $ | 217 |  |  | $ | (124) |  |  |  |
Net gains (losses) on equity securities sold |  | (7) |  |  | 172 |  |  | 71 |  |  | 172 |  |  |  |
Net gains on equity securities |  | $ | 470 |  |  | $ | 28 |  |  | $ | 288 |  |  | $ | 48 |  |  |  |
Equity securities by market sector distribution are shown below, based on carrying value:
AS OF |  | June 30, 2025 |  | December 31, 2024
Consumer goods |  | 1 | % |  | 5 | %
Education |  | 4 | % |  | 7 | %
Energy and utilities |  | 7 | % |  | 5 | %
Finance |  | 75 | % |  | 62 | %
Healthcare |  | 1 | % |  | 3 | %
Industrials |  | 6 | % |  | 7 | %
Information technology |  | 5 | % |  | 10 | %
Other |  | 1 | % |  | 1 | %
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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