REINSURANCE - Ceded Credit Risk (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Reinsurance Retention Policy [Line Items]
Estimated net fair values of purchased market risk benefits	$ 14,185	$ 16,729
Reinsurance recoverables related to insurance contracts	20,383	20,636
Related party - Equitable America	13,402	13,492
Third parties	6,981	7,144
Ceded group health reserves	12	14
Amount due to reinsurers	179	216
Amounts due to reinsurers	179	216
Reinsurance assumed reserves	621	731
Modco payable	34,300
Modco payable	(31,200)
First Allmerica-GAF
Reinsurance Retention Policy [Line Items]
Reinsurance recoverables related to top reinsurers	3,421	3,605
Amounts due to reinsurers	75	73
Venerable Insurance and Annuity Company (A- KBRA (IFRS) rating)
Reinsurance Retention Policy [Line Items]
Reinsurance recoverables related to top reinsurers	$ 1,210	$ 1,057

Reinsurance, Due From Reinsurer, Fair Value Disclosure

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- Definition

Reinsurance Modco Payable

+ References

No definition available.

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Modco payable

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Reinsurance Recoverable, Amount Due To Reinsurers

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- Definition

Reinsurance Recoverable For Ceded Group Health Reserves

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- Definition

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

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No definition available.

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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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479838/944-20-50-3

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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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No definition available.

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- Definition

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
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479838/944-20-50-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477409/944-310-45-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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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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