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v3.25.2

Subsequent Event - Additional Information (Details) - shares |  |  | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 10, 2025 | Dec. 19, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Subsequent Event [Line Items] |  |  |  |
Retirement of AB Holding units (in shares) |  |  | 1,047,962 |
Subsequent Event | AB | EQH and its subsidiaries |  |  |  |
Subsequent Event [Line Items] |  |  |  |
General partnership interest (as a percent) | 1.00% |  |  |
Subsequent Event | AB | General and Limited Partnership Interests | EQH and its subsidiaries |  |  |  |
Subsequent Event [Line Items] |  |  |  |
General partnership interest (as a percent) | 68.60% |  |  |
AB Holding Units | Master Exchange Agreement | EQH |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Retirement of AB Holding units (in shares) |  | 5,211,194 |  |
AB Holding Units | Amended Exchange Agreement | EQH | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Retirement of AB Holding units (in shares) | 19,682,946 |  |  |
AB Units | Master Exchange Agreement | EQH |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Conversion of AB units (in shares) |  | 5,211,194 |  |
AB Units | Amended Exchange Agreement | EQH | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Conversion of AB units (in shares) | 19,682,946 |  |  |
Master Exchange Agreement |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issuance of AB units (in shares) |  | 10,000,000 |  |
Remaining authorized shares (in shares) |  |  | 4,788,806 | 4,788,806
Master Exchange Agreement | Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Remaining authorized shares (in shares) | 19,682,946 |  |  |

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- Definition Share-Based Compensation Arrangement by Share-Based Payment Award, Remaining Number of Shares Available for Future Issuance + References No definition available. + Details
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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
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- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482987/272-10-50-3 + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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