Income Taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Computation of Effective Income Tax Rate and Changes in Components of Income Tax

	Three Months Ended September 30,								Nine Months Ended September 30,
	2024			2023			% Change		2024			2023			% Change
	(in thousands)								(in thousands)
Net income attributable to AB Unitholders	$	345,972		$	167,404		106.7	%	$	873,471		$	537,292		62.6	%
Multiplied by: weighted average equity ownership interest	39.4		%	39.3		%			39.5		%	39.3		%
Equity in net income attributable to AB Unitholders	$	136,374		$	65,761		107.4		$	345,360		$	211,264		63.5
AB qualifying revenues	$	713,242		$	689,323		3.5		$	2,099,807		$	2,059,866		1.9
Multiplied by: weighted average equity ownership interest for calculating tax	35.7		%	35.6		%			36.4		%	35.7		%
Multiplied by: federal tax	3.5		%	3.5		%			3.5		%	3.5		%
Federal income taxes	8,924			8,593					26,728			25,713
State income taxes	255			177					692			565
Total income taxes	$	9,179		$	8,770		4.7	%	$	27,420		$	26,278		4.3	%
Effective tax rate	6.7		%	13.3		%			7.9		%	12.4		%