Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Summary of Other Significant Segment Items

Net revenues derived from our investment management and related services were as follows:

	Years Ended December 31
	2025			2024			2023
	(in thousands)
Institutions(1)		$	683,543		$	700,796		$	666,670
Retail(1)		2,470,403			2,311,317			1,926,020
Private Wealth Management(1)		1,278,760			1,245,891			1,052,843
Bernstein Research Services (2)		—			96,222			386,142
Other		160,942			205,426			231,189
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

(1)Institutions, Retail and Private Wealth management revenues by channel include investment advisory base fees, performance-based fees, distribution revenues and shareholder servicing fees by channel.

(2)On April 1, 2024 AB and Societe Generale, a leading European bank, completed their transaction to form a jointly owned equity research provider and cash equity trading partner for institutional investors. AB has deconsolidated the Bernstein Research Services business and contributed the business to the joint ventures.

Net revenues and long-lived assets, related to our U.S. and international operations, as of and for the years ended December 31, were as follows:

	2025			2024			2023
	(in thousands)
Net revenues1:
United States		$	2,635,169		$	2,641,634		$	2,527,498
International:
Luxembourg		1,065,243			1,046,793			886,256
Japan		579,892			487,409			375,222
Other International		250,348			299,303			366,347
Total International		1,895,483			1,833,505			1,627,825
Total		$	4,530,652		$	4,475,139		$	4,155,323
Long-lived assets:
United States		$	4,126,410		$	4,187,885		$	4,073,198
International		51,926			57,140			53,670
Total		$	4,178,336		$	4,245,025		$	4,126,868

(1)Locations comprising greater than 10% of total net revenues are disclosed separately in the current period. Prior periods have been recast to agree to current periods presentation.