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DAC, VOBA, DSI and DFEL - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net [Abstract] |  |
Deferred policy acquisition costs, amortization expense | $ 263 | $ 249
Value of future insurance profits, amortization expense | 12 | 13
Deferred sales inducements, amortization expense | 3 | 3
Deferred front end loads, amortization expense | $ 104 | $ 74

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