Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Dividend and interest income	$ 165,313	$ 199,443	$ 123,091
Investment (losses) gains	(13,486)	14,206	(102,413)
Other revenues	142,794	101,342	105,544
Total revenues	4,559,652	4,262,864	4,120,728
Less: Broker-dealer related interest expense	84,513	107,541	66,438
Net revenues	4,475,139	4,155,323	4,054,290
Expenses:
Employee compensation and benefits	1,801,767	1,769,153	1,666,636
Promotion and servicing:
Amortization of deferred sales commissions	57,983	36,817	34,762
Trade execution, marketing, T&E and other	182,146	215,643	215,556
General and administrative	599,215	581,571	641,635
Contingent payment arrangements	(121,896)	22,853	6,563
Interest on borrowings	43,509	54,394	17,906
Amortization of intangible assets	45,913	46,854	26,564
Total expenses	3,351,066	3,337,653	3,239,194
Operating income	1,124,073	817,670	815,096
Gain on divestiture	134,555	0	0
Non-operating income	134,555	0	0
Pre-tax Income	1,258,628	817,670	815,096
Income tax	65,143	29,051	39,639
Net income	1,193,485	788,619	775,457
Net income (loss) of consolidated entities attributable to non-controlling interests	20,238	24,009	(56,356)
Net income attributable to AB Unitholders	$ 1,173,247	$ 764,610	$ 831,813
Net income per AB Unit:
Basic (in dollars per share)	$ 4.05	$ 2.65	$ 3.01
Diluted (in dollars per share)	$ 4.05	$ 2.65	$ 3.01
Investment advisory and services fees
Revenues:
Revenues	$ 3,442,139	$ 2,975,468	$ 2,971,038
Bernstein research services
Revenues:
Revenues	96,222	386,142	416,273
Distribution revenues
Revenues:
Revenues	726,670	586,263	607,195
Promotion and servicing:
Distribution-related payments	$ 742,429	$ 610,368	$ 629,572