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Receivable for collateral posted related to interest rate swap liabilities

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Number of interest rate swaps entered during the period

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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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.

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Nominal or face amount used to calculate payment on derivative.

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Derivatives - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
Derivatives - Narrative (Details) $ in Millions	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) swap	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swaps entered during the period \| swap			1
Gains (losses) on interest rate swaps expected to be reclassified from AOCI to net earnings over the next 12 months.			$ 4
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)	$ (6)	(8)	$ (20)
Interest rate swaps \| Cash flow hedging \| Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	637		637		$ 1,050
Collateral receivable supporting swaps	12		12		27
Total return swap \| Not designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Collateral receivable supporting swaps					$ 4
Liability to return collateral related to swaps	2		2
New interest rate swaps entered during the period \| Cash flow hedging \| Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	$ 12		$ 12