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Market Risk Benefits - Schedule of Reconciliation of Asset and Liability (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Market Risk Benefit
Market risk benefits asset	$ 242	$ 189
Market risk benefits liability	830	549
Direct
Market Risk Benefit
Market risk benefits asset	83	128
Market risk benefits liability	828	549
Reinsured
Market Risk Benefit
Market risk benefits asset	159	61
Market risk benefits liability	2	0
Indexed annuities
Market Risk Benefit
Market risk benefits asset	242	189
Market risk benefits liability	829	548
Indexed annuities | Direct
Market Risk Benefit
Market risk benefits asset	83	128
Market risk benefits liability	827	548
Indexed annuities | Reinsured
Market Risk Benefit
Market risk benefits asset	159	61
Market risk benefits liability	2	0
Fixed rate annuities
Market Risk Benefit
Market risk benefits asset	0	0
Market risk benefits liability	1	1
Fixed rate annuities | Direct
Market Risk Benefit
Market risk benefits asset	0	0
Market risk benefits liability	1	1
Fixed rate annuities | Reinsured
Market Risk Benefit
Market risk benefits asset	0	0
Market risk benefits liability	$ 0	$ 0

X

- Definition

Amount of asset position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Amount of liability position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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