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Number of collateralized loan obligation entities.

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Minimum percentage of investment of most subordinate debt tranche of variable interest entity.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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Managed Investment Entities - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2026 USD ($) collateralized_loan_obligation	Sep. 30, 2025 USD ($) collateralized_loan_obligation	Dec. 31, 2025 USD ($)
Variable Interest Entity [Line Items]
Percentage of investment of most subordinate debt tranche, Minimum	5.40%
Percentage of investment of most subordinate debt tranche, Maximum	100.00%
Number of collateralized loan obligation entities \| collateralized_loan_obligation	11
Number of collateralized loan obligation entities formed during the period \| collateralized_loan_obligation	1	2
Number of collateralized loan obligation entities substantially liquidated during the period \| collateralized_loan_obligation		3
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments	$ 122		$ 77
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt	(1)		(13)
Carrying amount of CLO loans in default	0		0
Available for sale (AFS) fixed maturities	11,771		11,052
Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	1,237		1,160
Managed by third parties \| Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	1,240		$ 1,160
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Investment in CLO tranches	155
Variable interest entity, primary beneficiary \| Subordinated debt obligations
Variable Interest Entity [Line Items]
Investment in CLO tranches	138
New collateralized loan obligation, temporary warehousing entities
Variable Interest Entity [Line Items]
Investment in CLO tranches	5
New collateralized loan obligation entities
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date	404	$ 813
Face amount of managed investment entities liabilities purchased at issuance date	$ 36	$ 80