POLICYHOLDER ACCOUNT BALANCES - Balances and Changes in Separate Accounts Liability (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 136,544
Balance, end of period	130,470
Retirement \| GMxB Core
Separate Account, Liability [Roll Forward]
Balance, beginning of period	30,720	$ 30,411
Premiums and deposits	535	506
Policy charges	(120)	(118)
Surrenders and withdrawals	(1,025)	(999)
Benefit payments	(72)	(82)
Investment performance	(614)	(571)
Net transfers from (to) General Account	33	54
Other charges (2)	0	0
Balance, end of period	29,457	29,201
Cash surrender value	28,602	28,349
Retirement \| EQUI-VEST Individual
Separate Account, Liability [Roll Forward]
Balance, beginning of period	4,836	4,782
Premiums and deposits	24	25
Policy charges	(1)	(1)
Surrenders and withdrawals	(128)	(130)
Benefit payments	(17)	(18)
Investment performance	(187)	(207)
Net transfers from (to) General Account	(11)	(7)
Other charges (2)	0	0
Balance, end of period	4,516	4,444
Cash surrender value	4,488	4,413
Retirement \| Investment Edge
Separate Account, Liability [Roll Forward]
Balance, beginning of period	5,312	4,885
Premiums and deposits	497	413
Policy charges	0	0
Surrenders and withdrawals	(154)	(122)
Benefit payments	(13)	(6)
Investment performance	(119)	(95)
Net transfers from (to) General Account	(337)	(355)
Other charges (2)	0	0
Balance, end of period	5,186	4,720
Cash surrender value	5,104	4,632
Retirement \| EQUI-VEST Group
Separate Account, Liability [Roll Forward]
Balance, beginning of period	33,714	30,546
Premiums and deposits	632	615
Policy charges	(5)	(5)
Surrenders and withdrawals	(808)	(675)
Benefit payments	(16)	(15)
Investment performance	(982)	(1,104)
Net transfers from (to) General Account	(74)	(133)
Other charges (2)	0	0
Balance, end of period	32,461	29,229
Cash surrender value	32,153	28,835
Retirement \| Momentum
Separate Account, Liability [Roll Forward]
Balance, beginning of period	5,174	4,813
Premiums and deposits	147	168
Policy charges	(6)	(6)
Surrenders and withdrawals	(264)	(236)
Benefit payments	(3)	(4)
Investment performance	(119)	(101)
Net transfers from (to) General Account	16	3
Other charges (2)	0	0
Balance, end of period	4,945	4,637
Cash surrender value	4,940	4,631
Corporate & Other \| VUL
Separate Account, Liability [Roll Forward]
Balance, beginning of period	20,383	18,176
Premiums and deposits	339	332
Policy charges	(144)	(147)
Surrenders and withdrawals	(173)	(190)
Benefit payments	(36)	(27)
Investment performance	(659)	(633)
Net transfers from (to) General Account	(85)	(47)
Other charges (2)	0	0
Balance, end of period	19,625	17,464
Cash surrender value	19,105	17,108
Corporate & Other \| GMxB Legacy
Separate Account, Liability [Roll Forward]
Balance, beginning of period	28,209	33,199
Premiums and deposits	43	55
Policy charges	(127)	(139)
Surrenders and withdrawals	(814)	(852)
Benefit payments	(164)	(185)
Investment performance	(765)	(850)
Net transfers from (to) General Account	(1)	(4)
Other charges (2)	(106)	3,816
Balance, end of period	26,275	27,408
Cash surrender value	$ 26,082	$ 27,200

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/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 80
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480109/944-80-50-2

+ 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/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

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

Reference 3: 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

+ 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/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 3: 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 4: 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 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_RetirementMember
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:	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:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
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:	srt_ProductOrServiceAxis=eqh_GrossLegacyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: