REINSURANCE - Ceded Reinsurance (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Estimated net fair values of ceded GMIB reinsurance contracts, considered derivatives	$ 1,306	$ 2,068
Estimated net fair values of ceded GMIB NLG ceded reserves to Venerable	4,114	5,813
Third-party reinsurance recoverables related to insurance contracts	15,016	12,459
Third-party reinsurance payables related to insurance contracts	275	127
Reinsurance assumed reserves	662	758
Increase (decrease) in the fair value of the reinsurance contract asset	(762)	(791)	$ 393
Venerable Insurance and Annuity Company (A- KBRA (IFRS) rating)
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Third-party reinsurance payables related to insurance contracts	14	40
Venerable Insurance and Annuity Company (A- KBRA (IFRS) rating) \| A-
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance recoverables related to insurance contracts	8,966	10,335
First Allmerica-GAF
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Third-party reinsurance payables related to insurance contracts	147	$ 0
First Allmerica-GAF \| Global Assessment Of Functioning Scale
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance recoverables related to insurance contracts	$ 4,005

This element represent the guaranteed minimum income benefit reinsurance contract asset reported at fair value

No definition available.

Name:	efl_GuaranteedMinimumIncomeBenefitReinsuranceContractAssetAtFairValue
Namespace Prefix:	efl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The increase (decrease) in the fair value of the reinsurance contracts accounted for as derivative instruments.

+ References

No definition available.

+ Details

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- Definition

Reinsurance, Due From Reinsurer, Fair Value Disclosure

+ References

No definition available.

+ Details

Name:	efl_ReinsuranceDueFromReinsurerFairValueDisclosure
Namespace Prefix:	efl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reinsurance Payable and Other Insurance Contracts

+ References

No definition available.

+ Details

Name:	efl_ReinsurancePayableAndOtherInsuranceContracts
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Reinsurance Recoverable for Paid Claims, Claims and Other Insurance Contracts Adjustments

+ References

No definition available.

+ Details

Name:	efl_ReinsuranceRecoverableForPaidClaimsClaimsAndOtherInsuranceContractsAdjustments
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- Definition

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.

+ References

No definition available.

+ Details

Name:	srt_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentLineItems
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Data Type:	xbrli:stringItemType
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- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (cc)
-URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

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-URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

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Balance Type:	credit
Period Type:	instant

- 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/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(6))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

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-Publisher FASB
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-Publisher FASB
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-SubTopic 310
-Section 45
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-URI https://asc.fasb.org/extlink&oid=99404803&loc=d3e21409-158489

+ Details

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- Details

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