POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 134,717
Balance, end of period	124,569
Protection Solutions \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	18,176	$ 15,821
Premiums and deposits	332	305
Policy charges	(147)	(143)
Surrenders and withdrawals	(190)	(142)
Benefit payments	(27)	(15)
Investment performance	(633)	1,229
Net transfers from (to) General Account	(47)	(48)
Other charges (2)	0	0
Balance, end of period	17,464	17,007
Cash surrender value	17,108	16,648
Legacy Segment \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,199	33,794
Premiums and deposits	55	54
Policy charges	(139)	(168)
Surrenders and withdrawals	(852)	(812)
Benefit payments	(185)	(196)
Investment performance	(850)	2,189
Net transfers from (to) General Account	(4)	(1)
Other charges (2)	(3,816)	0
Balance, end of period	27,408	34,860
Cash surrender value	27,200	34,595
Individual Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,411	29,829
Premiums and deposits	506	504
Policy charges	(118)	(115)
Surrenders and withdrawals	(999)	(820)
Benefit payments	(82)	(78)
Investment performance	(571)	1,442
Net transfers from (to) General Account	54	58
Other charges (2)	0	0
Balance, end of period	29,201	30,820
Cash surrender value	28,349	29,979
Individual Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,782	4,582
Premiums and deposits	25	18
Policy charges	(1)	(1)
Surrenders and withdrawals	(130)	(129)
Benefit payments	(18)	(15)
Investment performance	(207)	373
Net transfers from (to) General Account	(7)	(2)
Other charges (2)	0	0
Balance, end of period	4,444	4,826
Cash surrender value	4,413	4,792
Individual Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,885	4,275
Premiums and deposits	413	310
Policy charges	0	0
Surrenders and withdrawals	(122)	(135)
Benefit payments	(6)	(5)
Investment performance	(95)	258
Net transfers from (to) General Account	(355)	(179)
Other charges (2)	0	0
Balance, end of period	4,720	4,524
Cash surrender value	4,632	4,437
Group Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,546	26,959
Premiums and deposits	615	565
Policy charges	(5)	(4)
Surrenders and withdrawals	(675)	(542)
Benefit payments	(15)	(17)
Investment performance	(1,104)	2,138
Net transfers from (to) General Account	(133)	(81)
Other charges (2)	0	0
Balance, end of period	29,229	29,018
Cash surrender value	28,835	28,733
Group Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,813	4,421
Premiums and deposits	168	181
Policy charges	(6)	(6)
Surrenders and withdrawals	(236)	(208)
Benefit payments	(4)	(4)
Investment performance	(101)	314
Net transfers from (to) General Account	3	8
Other charges (2)	0	0
Balance, end of period	4,637	4,706
Cash surrender value	$ 4,631	$ 4,699

Separate Accounts, Liability, Other Charges

No definition available.

Name:	eqh_SeparateAccountsLiabilityOtherCharges
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Transfer To (From) Separate Account (To) From General Account

+ References

No definition available.

+ Details

Name:	eqh_TransferToFromSeparateAccountToFromGeneralAccount
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow to separate account policyholder from benefit payment.

+ References

+ Details

Name:	us-gaap_SeparateAccountLiabilityBenefitPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of separate account liability payable to policyholder upon surrender of contract before maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480109/944-80-50-2

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-18

+ Details

Name:	us-gaap_SeparateAccountLiabilityCashSurrenderValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) in separate account liability from performance of investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-18

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480109/944-80-50-2

+ Details

Name:	us-gaap_SeparateAccountLiabilityIncreaseDecreaseFromInvestedPerformance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of decrease in separate account liability from policy charge.

+ References

+ Details

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

- Definition

Amount of cash inflow to separate account liability from premium and deposit from cash received.

+ References

+ Details

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

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

- Definition

Amount of decrease in separate account liability from contract redemption and withdrawal of funds.

+ References

+ Details

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

- Definition

Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-9

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480141/944-80-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480109/944-80-50-2

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 55
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480078/944-80-55-18

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480109/944-80-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 80
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480141/944-80-45-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(18))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_SeparateAccountsLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqh_ProtectionSolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_VariableUniversalLifeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqh_LegacySegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_GrossLegacyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqh_IndividualRetirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_Core1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_EQUIVESTIndividualMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_InvestmentEdgeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqh_GroupRetirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_EQUIVESTGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqh_MomentumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: