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Units Outstanding (Details) - shares |  | 12 Months Ended
--- | --- | ---
Dec. 19, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity |  |  |
Outstanding, beginning balance (in shares) |  | 114,436,091 | 113,801,097
Units issued (in shares) |  | 3,201,493 | 3,283,594
Units retired (in shares) |  | (7,107,255) | (2,648,600)
Outstanding, ending balance (in shares) |  | 110,530,329 | 114,436,091
Retirement of AB Holding units (in shares) |  | 7,107,255 | 2,648,600
Master Exchange Agreement |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |
Issuance of AB units (in shares) | 10,000,000 |  |
AB Units | Master Exchange Agreement | EQH |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |
Conversion of AB units (in shares) | 5,211,194 |  |
AB Holding Units | Master Exchange Agreement | EQH |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |
Units retired (in shares) | (5,211,194) |  |
Retirement of AB Holding units (in shares) | 5,211,194 |  |

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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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