REINSURANCE - Ceded Credit Risk (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Reinsurance Retention Policy [Line Items]
Estimated net fair values of purchased market risk benefits	$ 15,490	$ 10,490
Reinsurance recoverables related to insurance contracts	21,512	7,131
Related party - Equitable America	14,466	0
Third parties	7,046	7,131
Ceded group health reserves	13	14
Amount due to reinsurers	199	282
Amounts due to reinsurers	199	282
Reinsurance assumed reserves	689	701
Modco payable	32,200
Modco payable	(28,200)
First Allmerica-GAF
Reinsurance Retention Policy [Line Items]
Reinsurance recoverables related to top reinsurers	3,735	4,005
Venerable Insurance and Annuity Company (A- KBRA (IFRS) rating)
Reinsurance Retention Policy [Line Items]
Reinsurance recoverables related to top reinsurers	862	543
Amounts due to reinsurers	$ 71	$ 147

Reinsurance, Due From Reinsurer, Fair Value Disclosure

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Reinsurance Modco Payable

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Modco payable

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Reinsurance Recoverable, Amount Due To Reinsurers

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Reinsurance Recoverable For Ceded Group Health Reserves

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Reinsurance Recoverable For Paid Claims, Claims And Other Insurance Contracts Adjustments

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Reinsurance Recoverables, Related Parties

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Reinsurance Reinsures, Third parties

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Liability as of the balance sheet date for the estimated ultimate cost of settling claims and claim adjustment expense relating to insured events that have occurred on or before the balance sheet date for those liabilities owed to another party as a result of assuming another insurer's primary obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The carrying amount as of the balance sheet date of the known and estimated amounts owed to insurers under reinsurance treaties or other arrangements.

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Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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