Business Description Organization and Basis of Presentation - Additional Information (Details)	9 Months Ended
	Sep. 30, 2024 shares
General partnership information [Abstract]
General Partnership number of general partnership units owned in Holding Company (in shares)	100,000
AXA and its subsidiaries economic interest in Company	61.60%
AB Holding | Equitable Holdings, Inc. And Subsidiaries
General partnership information [Abstract]
General partnership interest in company (percent)	4.00%
AB Holding | AB
General partnership information [Abstract]
General partnership interest in company (percent)	1.00%