Net Income Per Unit (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Unit, Basic and Diluted

Basic net income per unit is derived by reducing net income for the 1.0% general partnership interest and dividing the remaining 99.0% by the basic weighted average number of limited partnership units outstanding for each year. Diluted net income per unit is derived by reducing net income for the 1.0% general partnership interest and dividing the remaining 99.0% by the total of the diluted weighted average number of limited partnership units outstanding for each year.

	Years Ended December 31
	2023			2022			2021
	(in thousands, except per unit amounts)
Net income attributable to AB Unitholders		$	764,610		$	831,813		$	1,148,623
Weighted average units outstanding—basic		285,125			273,943			271,729
Dilutive effect of compensatory options to buy AB Holding Units		—			1			11
Weighted average units outstanding—diluted		285,125			273,944			271,740
Basic net income per AB Unit		$	2.65		$	3.01		$	4.18
Diluted net income per AB Unit		$	2.65		$	3.01		$	4.18