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ACQUISITION - Narrative (Details) - American Equity Investment Life Holdings - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 02, 2024 | Jun. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024
Business Combination [Line Items] |  |  |  |  |
Cash consideration transferred | $ 3,992 |  |  |  |
Cash | 2,525 |  |  |  |
Stock consideration | $ 1,111 |  |  |  |
Consolidated unaudited pro forma revenue |  |  |  | $ 3,100 | $ 7,000
Consolidated unaudited pro forma net profit (loss) |  |  |  | $ 610 | 1,800
Increase in VOBA asset |  | $ 45 | $ 45 |  |
Increase in market risk benefits liability |  | 45 | $ 45 |  |
Decrease in intangible assets |  | 40 |  |  |
Increase to deferred tax asset |  | 8 |  |  |
Increase in goodwill |  | $ 32 |  |  |
Settlement loss |  |  |  |  | 48
Additional market risk benefits AOCI loss |  |  |  |  | 66
Gain on disposal on pre-existing equity interest fair value |  |  |  |  | 4
Acquisition costs |  |  |  |  | $ 127

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