Payable to return collateral related to interest rate swap assets

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- Definition

Receivable for collateral posted related to interest rate swap liabilities

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- Definition

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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- 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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

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

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Derivatives - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Derivatives - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
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.			$ 5
Interest rate swaps \| Designated as hedging instrument \| Income Statement Location [Axis]: us-gaap:NetInvestmentIncome
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from accumulated other comprehensive income	$ 0	$ (3)	(2)	$ (8)
Interest rate swaps \| Designated as hedging instrument \| Income Statement Location [Axis]: us-gaap:NetInvestmentIncome \| Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification from accumulated other comprehensive income	1
Interest rate swaps \| Cash flow hedging \| Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	1,330		1,330		$ 464
Collateral receivable supporting swaps	50		50		10
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	997		997
Total return swap \| Not designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Collateral receivable supporting swaps	$ 3		$ 3
Total return swap \| Not designated as hedging instrument \| Maximum
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Liability to return collateral related to swaps					$ 1