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Managed Investment Entities - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($) collateralized_loan_obligation	Mar. 31, 2025 USD ($) 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	10
Number of collateralized loan obligation entities formed during the period | collateralized_loan_obligation		1
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	$ 147		$ 77
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt	21		(13)
Carrying amount of CLO loans in default	0		0
Fair Value	11,397		11,052
Collateralized loan obligations
Variable Interest Entity [Line Items]
Fair Value	1,180		1,160
Managed by third parties | Collateralized loan obligations
Variable Interest Entity [Line Items]
Fair Value	1,180		$ 1,160
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Investment in CLO tranches	133
Variable interest entity, primary beneficiary | Subordinated debt obligations
Variable Interest Entity [Line Items]
Investment in CLO tranches	112
New collateralized loan obligation, temporary warehousing entities
Variable Interest Entity [Line Items]
Investment in CLO tranches	$ 10
New collateralized loan obligation entities
Variable Interest Entity [Line Items]
Face value of liabilities issued by managed investment entities on issuance date		$ 406
Face amount of managed investment entities liabilities purchased at issuance date		$ 40

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