Business Description and Organization - Additional Information (Details) - shares |
12 Months Ended | |
---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Ownership structure of AB expressed as percentage of general and limited partnership interests | ||
General partnership units (in units) | 100,000 | 100,000 |
AB Holding | EQH | ||
Ownership structure of AB expressed as percentage of general and limited partnership interests | ||
General partnership interest (percent) | 4.00% | |
AB Holding | AllianceBernstein Corporation | ||
Ownership structure of AB expressed as percentage of general and limited partnership interests | ||
General partnership interest (percent) | 1.00% | |
General partnership units (in units) | 100,000 | |
AllianceBernstein L.P. | EQH and its subsidiaries | ||
Ownership structure of AB expressed as percentage of general and limited partnership interests | ||
General partnership interest (percent) | 64.50% |