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MRBs - Reconciles of MRBs Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Market Risk Benefit [Line Items]
Assets	$ 4,860	$ 3,894
Liabilities	1,046	1,716
Net (Assets) Liabilities	(3,814)	(2,178)
Variable Annuities
Market Risk Benefit [Line Items]
Assets	4,737	3,763
Liabilities	933	1,583
Net (Assets) Liabilities	(3,804)	(2,180)	$ (662)
Fixed Annuities
Market Risk Benefit [Line Items]
Assets	78	96
Liabilities	110	128
Net (Assets) Liabilities	32	32	(45)
Retirement Plan Services
Market Risk Benefit [Line Items]
Assets	45	35
Liabilities	3	5
Net (Assets) Liabilities	$ (42)	$ (30)	$ (22)

X

- Definition

Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of 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

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- 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

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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

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