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Derivatives - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Gains (losses) on interest rate swaps expected to be reclassified from AOCI to net earnings over the next 12 months. | $ 6 |  |
Interest rate swaps | Designated as hedging instrument | Net investment income |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Reclassification from accumulated other comprehensive income | (3) | $ (7) |
Interest rate swaps | Cash flow hedging | Designated as hedging instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, notional amount | 926 |  | $ 1,050
Collateral receivable supporting swaps | 21 |  | 27
Total return swap | Not designated as hedging instrument |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Collateral receivable supporting swaps | $ 5 |  | $ 4

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