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INVESTMENTS - Schedule of Changes in Net Unrealized Appreciation (Depreciation) for Company's Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 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) | $ 177 | $ 950 | $ 1,118 | $ 660
Total URA(D) of securities arising during the period | 165 | 734 | 762 | 521
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 | 202 | 840 | 909 | 563
Equity method investments | 0 | 18 | 0 | 18
Total other comprehensive income (loss) | 202 | 857 | 909 | 581
Deferred tax benefit (expense) | $ (36) | $ (123) | $ (147) | $ (60)

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