Managed Investment Entities - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($) collateralized_loan_obligation	Dec. 31, 2024 USD ($) collateralized_loan_obligation	Dec. 31, 2023 USD ($) collateralized_loan_obligation
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 active collateralized loan obligation entities \| collateralized_loan_obligation	10
Number of CLOs formed during the period \| collateralized_loan_obligation	3	2	1
Number of CLOs substantially liquidated during the period \| collateralized_loan_obligation	6	1	4
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments	$ 77	$ 66
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt	(13)	(36)
Carrying amount of CLO loans in default	0	3
Aggregate unpaid principal balance of CLO loans in default		5
Available for sale (AFS) fixed maturities	11,052	10,398
Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	1,160	1,237
Managed by third parties \| Collateralized loan obligations
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	1,160	1,240
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Investment in CLO tranches	143
Variable interest entity, primary beneficiary \| Subordinated debt obligations
Variable Interest Entity [Line Items]
Investment in CLO tranches	131
New collateralized loan obligation entities
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date	1,220	813	$ 407
Face amount of managed investment entities liabilities purchased by subsidiaries at issuance date	$ 118	$ 73	$ 16

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