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INVESTMENTS - Schedule of Changes in Net Unrealized Appreciation (Depreciation) for Company's Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Increase (decrease) during the period between the fair value and cost of investments carried at fair value, and deferred taxes thereon: |  |  |  |
Total other comprehensive income (loss) | $ 527 | $ (61) | $ 941 | $ (290)
Total URA(D) of securities arising during the period | 308 | (60) | 597 | (213)
URA(D) of securities |  |  |  |
Increase (decrease) during the period between the fair value and cost of investments carried at fair value, and deferred taxes thereon: |  |  |  |
Fixed maturity securities - available for sale, held to maturity and short-term investments | 360 | (90) | 707 | (276)
Equity method investments | 0 | 0 | 0 | 0
Total other comprehensive income (loss) | 360 | (90) | 707 | (276)
Deferred tax benefit (expense) | $ (52) | $ 30 | $ (111) | $ 63

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