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Condensed Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Equity in net income attributable to AB Unitholders	$ 82,753	$ 86,281
Income taxes	8,719	9,059
Net income	$ 74,034	$ 77,222
Net income per Unit
Basic (in dollars per share)	$ 0.67	$ 0.67
Diluted (in dollars per share)	$ 0.67	$ 0.67

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