Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Dividend and interest income	$ 140,368	$ 165,313	$ 199,443
Investment (losses) gains	(30,846)	(13,486)	14,206
Other revenues	134,192	142,794	101,342
Total revenues	4,593,648	4,559,652	4,262,864
Less: Broker-dealer related interest expense	62,996	84,513	107,541
Net revenues	4,530,652	4,475,139	4,155,323
Expenses:
Employee compensation and benefits	1,790,452	1,801,767	1,769,153
Promotion and servicing:
Amortization of deferred sales commissions	83,514	57,983	36,817
Trade execution, marketing, T&E and other	162,611	182,146	215,643
General and administrative	557,032	599,215	581,571
Contingent payment arrangements	191	(121,896)	22,853
Interest on borrowings	28,271	43,509	54,394
Amortization of intangible assets	44,918	45,913	46,854
Total expenses	3,480,177	3,351,066	3,337,653
Operating income	1,050,475	1,124,073	817,670
Gain on divestiture	0	134,555	0
Non-operating income	0	134,555	0
Pre-tax Income	1,050,475	1,258,628	817,670
Income tax	61,600	65,143	29,051
Net income	988,875	1,193,485	788,619
Net income of consolidated entities attributable to non-controlling interests	6,386	20,238	24,009
Net income attributable to AB Unitholders	$ 982,489	$ 1,173,247	$ 764,610
Net income per AB Unit:
Basic (in dollars per share)	$ 3.33	$ 4.05	$ 2.65
Diluted (in dollars per share)	$ 3.33	$ 4.05	$ 2.65
Investment advisory and services fees
Revenues:
Revenues	$ 3,531,490	$ 3,442,139	$ 2,975,468
Bernstein research services
Revenues:
Revenues	0	96,222	386,142
Distribution revenues
Revenues:
Revenues	818,444	726,670	586,263
Promotion and servicing:
Distribution-related payments	$ 813,188	$ 742,429	$ 610,368