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Other Intangible Assets - Reconciliation of Other Intangibles to Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
VOBA	$ 1,349	$ 1,446	$ 1,615
DAC	3,036	2,215
DSI	625	346	$ 200
Definite lived	966	620
Total	5,976	4,627
Customer relationships and contracts
Finite-Lived Intangible Assets [Line Items]
Definite lived	435	174
Value of distribution asset
Finite-Lived Intangible Assets [Line Items]
Definite lived	74	86
Computer software
Finite-Lived Intangible Assets [Line Items]
Definite lived	277	266
Trademarks, tradenames, and other
Finite-Lived Intangible Assets [Line Items]
Definite lived	$ 180	$ 94

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