Equity Commitment

No definition available.

Name:	axaeq_EquityCommitment
Namespace Prefix:	axaeq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Liability for Future Policy Benefits, Face Value Of Policy

+ References

No definition available.

+ Details

Name:	axaeq_LiabilityforFuturePolicyBenefitsFaceValueOfPolicy
Namespace Prefix:	axaeq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sale Of Stock, Semi-Annual Facility Fee, Rate

+ References

No definition available.

+ Details

Name:	axaeq_SaleOfStockSemiAnnualFacilityFeeRate
Namespace Prefix:	axaeq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Unaccrued Amounts Of Reasonably Possible Range Of Losses

+ References

No definition available.

+ Details

Name:	axaeq_UnaccruedAmountsOfReasonablyPossibleRangeOfLosses
Namespace Prefix:	axaeq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column F
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column F))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstateFaceAmountOfMortgages
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 325
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809

+ Details

Name:	us-gaap_FederalHomeLoanBankStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=axaeq_AxaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=axaeq_BrachFamilyFoundationLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=axaeq_PreCapitalizedTrustSecuritiesTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=axaeq_PreCapitalizedTrustSecuritiesTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended
	Apr. 30, 2019	Mar. 31, 2020	Feb. 29, 2016
Loss Contingencies [Line Items]
Unaccrued amounts of reasonably possible range of losses		$ 100
Federal home loan bank stock		315
Carrying value of collateral pledged for federal home loan bank		9,800
AXA
Loss Contingencies [Line Items]
Commitments by the Company to provide equity financing		1,100
Face amount of mortgage loans		426
Affiliated Entity \| AXA
Loss Contingencies [Line Items]
Commitments by the Company to provide equity financing		$ 220
Brach Family Foundation Litigation
Loss Contingencies [Line Items]
Liability for future policy benefits, face value of policy			$ 1
Pre-Capitalized Trust Securities, Redeemable February 15, 2049
Loss Contingencies [Line Items]
Shares issued (in shares)	0.6
Proceeds from offering	$ 600
Sale of stock, semi-annual facility fee, rate	2.125%
Pre-Capitalized Trust Securities, Redeemable February 15, 2029
Loss Contingencies [Line Items]
Shares issued (in shares)	0.4
Proceeds from offering	$ 400
Sale of stock, semi-annual facility fee, rate	2.715%