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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - Narrative (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |  |
VOBA amortization including actuarial model updates and refinements | $ 135 |
VOBA amortization | 120 | $ 128
DAC amortization | 200 | 135
Indexed annuities |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
VOBA amortization | 101 | 106
DAC amortization | 112 | 75
Finite-Lived Intangible Assets [Line Items] |  |
DSI amortization | $ 27 | $ 15

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