Income Taxes (Tables)

9 Months Ended

Sep. 30, 2022

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,
	2022			2021			% Change		2022			2021			% Change
									(in thousands)
Net income attributable to AB Unitholders	$	175,180		$	264,695		(33.8)	%	$	644,676		$	776,396		(17.0)	%
Multiplied by: weighted average equity ownership interest	36.5		%	36.2		%			36.2		%	36.4		%
Equity in net income attributable to AB Unitholders	$	63,905		$	95,921		(33.4)		$	233,616		$	282,235		(17.2)
AB qualifying revenues	$	678,682		$	669,232		1.4		$	2,089,206		$	1,956,095		6.8
Multiplied by: weighted average equity ownership interest for calculating tax	31.3		%	30.2		%			31.1		%	30.6		%
Multiplied by: federal tax	3.5		%	3.5		%			3.5		%	3.5		%
Federal income taxes	7,442			7,073					22,748			20,977
State income taxes	147			172					483			578
Total income taxes	$	7,589		$	7,245		4.7		$	23,231		$	21,555		7.8
Effective tax rate	11.9		%	7.6		%			9.9		%	7.6		%