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Reinsurance - Annuity Reinsurance Treaties and Related Recoverables (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Effects of Reinsurance [Line Items] |  |
Reinsurance Recoverable | $ 9,336 | $ 9,564
EquiTrust Life Insurance Company |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance Recoverable | 210 | 231
Athene Life Re Ltd. |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance Recoverable | 1,570 | 1,747
AeBe ISA LTD |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance Recoverable | 4,023 | 4,166
Reinsurance Group of America Inc. (RGA) |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance Recoverable | $ 3,533 | $ 3,420

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- Definition Reinsurance Recoverables, Including Reinsurance Premium Paid, Net Of Adjustments + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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