CLOSED BLOCK - Closed Block Summarized Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Closed Block Liabilities:
Future policy benefits, policyholders’ account balances and other	$ 5,213	$ 5,461
Other liabilities	62	57
Total Closed Block liabilities	5,275	5,518
Assets Designated to the Closed Block:
Fixed maturities AFS, at fair value (amortized cost of $2,888 and $2,945) (allowance for credit losses of $0 and $0)	2,746	2,800
Mortgage loans on real estate (net of allowance for credit losses of $21 and $13)	1,531	1,612
Policy loans	523	554
Cash and other invested assets	17	58
Other assets	130	150
Total assets designated to the Closed Block	4,947	5,174
Excess of Closed Block liabilities over assets designated to the Closed Block	328	344
Amounts included in AOCI:
Net unrealized investment gains (losses), net of policyholders’ dividend obligation: $0 and $0; and net of income tax: $30 and $31	(112)	(115)
Maximum future earnings to be recognized from Closed Block assets and liabilities	216	229
Amortized cost of fixed maturity AFS	2,888	2,945
Allowance for credit losses of fixed maturities AFS	0	0
Allowance for credit losses of mortgage loans on real estates	21	13
Policy holders' dividend obligations on net unrealized investment gains (losses)	0	0
Income tax on net unrealized investment gains (losses)	$ 30	$ 31

Assets Designated To Closed Block, Mortgage Loans On Real Estate, Credit Losses

No definition available.

Name:	eqh_AssetsDesignatedToClosedBlockMortgageLoansOnRealEstateCreditLosses
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Closed Block Investments, Debt Securities, Available-For-Sale, Allowance For Credit Loss

+ References

No definition available.

+ Details

Name:	eqh_ClosedBlockInvestmentsDebtSecuritiesAvailableForSaleAllowanceForCreditLoss
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of deferred income tax expense or benefit allocated to the operations of the closed block for the period.

+ References

No definition available.

+ Details

Name:	eqh_ClosedBlockOperationsDeferredIncomeTaxExpenseBenefit
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Net increase or decrease in the period in the fair market value of investments that were allocated to the closed block net of deferred income tax (expense) benefit and policyholder dividend obligation.

+ References

No definition available.

+ Details

Name:	eqh_UnrealizedInvestmentGainsLossesNetOfDeferredIncomeTaxExpenseBenefitAndPolicyholderDividendObligation
Namespace Prefix:	eqh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Unrealized Investment Gains (Losses), Policyholders’ Dividend Obligation

+ References

No definition available.

+ Details

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

- Definition

The sum of cash, cash equivalents, investments and other assets allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Cash and highly liquid, safe investments that can be readily converted into cash (cash equivalents) allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

+ References

+ Details

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

- Definition

Fair value of investments in debt securities that are deemed to be available for sale that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block. Change in fair of such securities is a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

+ References

+ Details

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

- Definition

Carrying amount of investments in mortgage loans on real estate allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

+ References

+ Details

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

- Definition

Amount of other assets held by the closed block. Excludes other investments.

+ References

+ Details

Name:	us-gaap_AssetsDesignatedToClosedBlockOtherClosedBlockAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount of loans to policy holders secured by benefits under insurance policies that are allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- References

No definition available.

+ Details

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

- Definition

The carrying amount of closed block liabilities in excess of the carrying amount of closed block assets at the date of demutualization (adjusted to eliminate the impact of related amounts in accumulated other comprehensive income).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)(9)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- Definition

The amortized cost as of the balance sheet date of those fixed maturity investments designated as available for sale and reported at fair value which are allocated to the closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- Definition

For the segregated group of participating or dividend-paying policies and contracts along with the assets backing them (known as a closed block), the total of future policy benefits, policyholder account balance, policyholder dividend obligation and any other closed block liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- References

No definition available.

+ Details

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

- Definition

The liability as of the balance sheet date for future benefits to be paid to or on behalf of policyholders and expenses, less the present value of future net premiums payable under the insurance contracts and the policy cash accumulations, for the segregated group of participating or dividend-paying policies and contracts identified as a closed block.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- Definition

Amount of liabilities allocated to the closed block, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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

- Definition

The difference between the liabilities of and the assets allocated to the segregated group of participating or dividend-paying policies and contracts identified as the closed block.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477301/944-805-55-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 805
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-3

+ Details

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