Payable to return collateral related to interest rate swap assets

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Receivable for collateral posted related to interest rate swap liabilities

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- Definition

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Nominal or face amount used to calculate payment on derivative.

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Derivatives - Narrative (Details) $ in Millions	12 Months Ended
Derivatives - Narrative (Details) $ in Millions	Dec. 31, 2025 USD ($) swap	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swaps entered into 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.	$ (3)
Designated as hedging instrument \| Interest rate swaps \| Net investment income
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from accumulated other comprehensive income	(9)	$ (24)	$ (26)
Designated as hedging instrument \| Cash flow hedging \| Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	464	1,050
Receivable for collateral posted related to swaps	10	27
Designated as hedging instrument \| Cash flow hedging \| New interest rate swaps entered during the period
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	12
Derivatives not designated as hedging instruments \| Total return swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Receivable for collateral posted related to swaps		$ 4
Derivatives not designated as hedging instruments \| Total return swap \| Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Liability to return collateral related to swaps	$ 1