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Carrying amount of variable interest entity loans in default.

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Difference between aggregate unpaid principal balance and fair value of variable interest entity investments.

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Face amount of managed investment entities liabilities purchased at issuance date.

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Face value of liabilities issued by managed investment entities.

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Number of collateralized loan obligation entities.

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Number of collateralized loan obligation entities formed during the period.

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Number of collateralized loan obligation entities substantially liquidated during the period

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

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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)	1 Months Ended		6 Months Ended
Managed Investment Entities - Narrative (Details)	Feb. 28, 2025 USD ($) collateralized_loan_obligation	Feb. 29, 2024 USD ($) collateralized_loan_obligation	Jun. 30, 2025 USD ($) collateralized_loan_obligation	Dec. 31, 2024 USD ($)
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			13
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			1
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments			$ 73,000,000	$ 66,000,000
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt			198,000,000	172,000,000
Carrying amount of CLO loans in default			0	3,000,000
Aggregate unpaid principal balance of variable interest entity loans in default				5,000,000
Available for sale (AFS) fixed maturities			10,489,000,000	10,398,000,000
Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities			1,088,000,000	1,237,000,000
Managed by third parties \| Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities			1,090,000,000.00	$ 1,240,000,000
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Investment in CLO tranches			148,000,000
Variable interest entity, primary beneficiary \| Subordinated debt obligations
Variable Interest Entity [Line Items]
Investment in CLO tranches			101,000,000
New collateralized loan obligation entities
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date	$ 406,000,000	$ 813,000,000
Face amount of managed investment entities liabilities purchased at issuance date	$ 40,000,000	$ 73,000,000
New collateralized loan obligation, temporary warehousing entities
Variable Interest Entity [Line Items]
Investment in CLO tranches			$ 30,000,000