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Net Income Per Unit
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Net Income Per Unit Net Income Per Unit
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
202420232022
(in thousands, except per unit amounts)
Net income attributable to AB Unitholders$1,173,247 $764,610 $831,813 
Weighted average units outstanding—basic286,618 285,125 273,943 
Dilutive effect of compensatory options to buy AB Holding Units— — 1 
Weighted average units outstanding—diluted286,618 285,125 273,944 
Basic net income per AB Unit$4.05 $2.65 $3.01 
Diluted net income per AB Unit$4.05 $2.65 $3.01