Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Dividend and interest income	$ 38,940	$ 49,889	$ 127,441	$ 150,761
Investment (losses)	(3,512)	(6,694)	(15,398)	(760)
Other revenues	39,673	24,484	104,133	75,349
Total revenues	1,106,703	1,059,554	3,284,327	3,145,571
Less: Broker-dealer related interest expense	21,214	27,498	66,744	80,968
Net revenues	1,085,489	1,032,056	3,217,583	3,064,603
Expenses:
Employee compensation and benefits	424,893	453,619	1,300,989	1,315,861
Promotion and servicing:
Amortization of deferred sales commissions	15,005	9,585	40,152	26,506
Trade execution, marketing, T&E and other	38,312	52,289	134,243	157,057
General and administrative	155,808	145,388	439,450	434,976
Contingent payment arrangements	(125,947)	15,364	(120,831)	20,251
Interest on borrowings	8,456	13,209	37,139	41,594
Amortization of intangible assets	11,451	11,732	34,754	35,148
Total expenses	720,208	856,806	2,411,016	2,485,432
Operating income	365,281	175,250	806,567	579,171
Gain on divestiture	0	0	134,555	0
Non-operating income	0	0	134,555	0
Pre-tax income	365,281	175,250	941,122	579,171
Income taxes	14,255	10,010	50,389	31,253
Net income	351,026	165,240	890,733	547,918
Net income of consolidated entities attributable to non-controlling interests	5,054	(2,164)	17,262	10,626
Net income attributable to AB Unitholders	$ 345,972	$ 167,404	$ 873,471	$ 537,292
Net income per AB Unit:
Basic (in dollars per share)	$ 1.20	$ 0.58	$ 3.02	$ 1.86
Diluted (in dollars per share)	$ 1.20	$ 0.58	$ 3.02	$ 1.86
Investment advisory and services fees
Revenues:
Revenue subject to contracts with customers	$ 842,386	$ 748,951	$ 2,444,118	$ 2,199,536
Bernstein research services
Revenues:
Revenue subject to contracts with customers	0	93,875	96,222	285,760
Distribution revenues
Revenues:
Revenue subject to contracts with customers	189,216	149,049	527,811	434,925
Promotion and servicing:
Distribution-related payments	$ 192,230	$ 155,620	$ 545,120	$ 454,039