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Equity - Schedule of Other Comprehensive Income (Loss) Reclassification Adjustments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Other comprehensive income | $ 502 | $ 1,847 | $ 2,054 | $ 7,484
AOCI Including Portion Attributable to Noncontrolling Interest |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 416 | 1,967 | 1,420 | 217
Less: Reclassification adjustments included in net income | (111) | (92) | (539) | (7,591)
Total other comprehensive income (loss), before of income tax expense (benefit) | 527 | 2,059 | 1,959 | 7,808
Less: Income tax expense (benefit) | 25 | 212 | (95) | 324
Other comprehensive income | 502 | 1,847 | 2,054 | 7,484
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Was Taken |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 0 | 45 | (3) | 98
Less: Reclassification adjustments included in net income | 0 | 0 | 0 | (42)
Total other comprehensive income (loss), before of income tax expense (benefit) | 0 | 45 | (3) | 140
Less: Income tax expense (benefit) | 0 | 8 | (1) | 20
Other comprehensive income | 0 | 37 | (2) | 120
Unrealized Appreciation (Depreciation) of All Other Investments |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 461 | 1,514 | 875 | (1,129)
Less: Reclassification adjustments included in net income | (102) | (84) | (515) | (8,867)
Total other comprehensive income (loss), before of income tax expense (benefit) | 563 | 1,598 | 1,390 | 7,738
Less: Income tax expense (benefit) | 16 | 249 | (74) | 92
Other comprehensive income | 547 | 1,349 | 1,464 | 7,646
Change in Fair Value of Market Risk Benefits Attributable to Changes in Our Own Credit Risk |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 0 | 0 | 0 | 130
Less: Reclassification adjustments included in net income | 0 | 0 | 0 | (330)
Total other comprehensive income (loss), before of income tax expense (benefit) | 0 | 0 | 0 | 460
Less: Income tax expense (benefit) | 0 | 0 | 0 | 28
Other comprehensive income | 0 | 0 | 0 | 432
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 7 | (12) | 16 | 947
Less: Reclassification adjustments included in net income | 0 | 0 | 0 | 1,583
Total other comprehensive income (loss), before of income tax expense (benefit) | 7 | (12) | 16 | (636)
Less: Income tax expense (benefit) | 2 | (58) | 4 | 166
Other comprehensive income | 5 | 46 | 12 | (802)
Foreign Currency Translation Adjustments |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | (52) | 427 | 537 | 173
Less: Reclassification adjustments included in net income | 0 | 0 | 0 | 88
Total other comprehensive income (loss), before of income tax expense (benefit) | (52) | 427 | 537 | 85
Less: Income tax expense (benefit) | 4 | 13 | (30) | 14
Other comprehensive income | (56) | 414 | 567 | 71
Retirement Plan Liabilities Adjustment |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 0 | (7) | (5) | (2)
Less: Reclassification adjustments included in net income | (9) | (8) | (24) | (23)
Total other comprehensive income (loss), before of income tax expense (benefit) | 9 | 1 | 19 | 21
Less: Income tax expense (benefit) | 3 | 0 | 6 | 4
Other comprehensive income | $ 6 | $ 1 | $ 13 | $ 17

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