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Equity - Schedule of Other Comprehensive Income (Loss) Reclassification Adjustments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Other comprehensive income | $ 916 | $ 6,694 | $ 1,552 | $ 5,637
AOCI Including Portion Attributable to Noncontrolling Interest |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 754 | (315) | 1,004 | (1,750)
Less: Reclassification adjustments included in net income | (158) | (7,049) | (428) | (7,499)
Total other comprehensive income (loss), before of income tax expense (benefit) | 912 | 6,734 | 1,432 | 5,749
Less: Income tax expense (benefit) | (4) | 40 | (120) | 112
Other comprehensive income | 916 | 6,694 | 1,552 | 5,637
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 | (7) | (13) | (3) | 53
Less: Reclassification adjustments included in net income | 0 | (36) | 0 | (42)
Total other comprehensive income (loss), before of income tax expense (benefit) | (7) | 23 | (3) | 95
Less: Income tax expense (benefit) | (1) | (3) | (1) | 12
Other comprehensive income | (6) | 26 | (2) | 83
Unrealized Appreciation (Depreciation) of All Other Investments |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 352 | (811) | 414 | (2,643)
Less: Reclassification adjustments included in net income | (151) | (8,346) | (413) | (8,783)
Total other comprehensive income (loss), before of income tax expense (benefit) | 503 | 7,535 | 827 | 6,140
Less: Income tax expense (benefit) | 11 | (52) | (90) | (157)
Other comprehensive income | 492 | 7,587 | 917 | 6,297
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 | 159 | 0 | 130
Less: Reclassification adjustments included in net income | 0 | (330) | 0 | (330)
Total other comprehensive income (loss), before of income tax expense (benefit) | 0 | 489 | 0 | 460
Less: Income tax expense (benefit) | 0 | 34 | 0 | 28
Other comprehensive income | 0 | 455 | 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 | 0 | 262 | 9 | 959
Less: Reclassification adjustments included in net income | 0 | 1,583 | 0 | 1,583
Total other comprehensive income (loss), before of income tax expense (benefit) | 0 | (1,321) | 9 | (624)
Less: Income tax expense (benefit) | (1) | 72 | 2 | 224
Other comprehensive income | 1 | (1,393) | 7 | (848)
Foreign Currency Translation Adjustments |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | 414 | 85 | 589 | (254)
Less: Reclassification adjustments included in net income | 0 | 88 | 0 | 88
Total other comprehensive income (loss), before of income tax expense (benefit) | 414 | (3) | 589 | (342)
Less: Income tax expense (benefit) | (15) | (13) | (34) | 1
Other comprehensive income | 429 | 10 | 623 | (343)
Retirement Plan Liabilities Adjustment |  |  |  |
Other Comprehensive Income (Loss) Reclassification Adjustments |  |  |  |
Unrealized change arising during period | (5) | 3 | (5) | 5
Less: Reclassification adjustments included in net income | (7) | (8) | (15) | (15)
Total other comprehensive income (loss), before of income tax expense (benefit) | 2 | 11 | 10 | 20
Less: Income tax expense (benefit) | 2 | 2 | 3 | 4
Other comprehensive income | $ 0 | $ 9 | $ 7 | $ 16

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