Consolidated Statements of Changes in Partners' Capital - USD ($) $ in Thousands	Total	Receivables from Affiliates	AB Holding Units held for Long-term Incentive Compensation Plans	Accumulated Other Comprehensive (Loss)	Total Partners' Capital attributable to AB Unitholders	Non-redeemable Non-controlling Interests in Consolidated Entities	General Partner’s Capital	General Partner’s Capital Cumulative Effect, Period of Adoption, Adjustment	Limited Partners' Capital	Limited Partners' Capital Cumulative Effect, Period of Adoption, Adjustment
Balance, beginning of year at Dec. 31, 2019		$ (9,011)	$ (76,310)	$ (113,004)		$ 0	$ 41,225	$ 0	$ 4,174,201	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 861,783						8,660		857,292
Cash distributions							(8,376)		(828,503)
Long-term incentive compensation plans activity		802					(23)		(2,147)
Retirement of AB Units, net			(28,696)
Issuance of AB Units, net							290		28,642
Capital contributions from (to) AB Holding		(107)
Purchases of AB Holding Units to fund long-term compensation plans, net			(148,624)
Long-term incentive compensation awards expense			194,840
Re-valuation of AB Holding Units held in rabbi trust			1,556
Foreign currency translation adjustment	23,244			23,244
Changes in employee benefit related items, net of tax				(4,443)
Other			15
CarVal acquisition						0
Balance, end of year at Dec. 31, 2020		(8,316)	(57,219)	(94,203)	$ 4,111,523	0	41,776	0	4,229,485	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	4,111,523
Net income	1,153,734						11,486		1,137,137
Cash distributions							(10,605)		(1,049,287)
Long-term incentive compensation plans activity		941					117		11,586
Retirement of AB Units, net			(7,348)
Issuance of AB Units, net							76		7,290
Capital contributions from (to) AB Holding		(958)
Purchases of AB Holding Units to fund long-term compensation plans, net			(261,825)
Long-term incentive compensation awards expense			215,484
Re-valuation of AB Holding Units held in rabbi trust			(9,690)
Foreign currency translation adjustment	(11,840)			(11,840)
Changes in employee benefit related items, net of tax				15,708
Other			1,128
CarVal acquisition						0
Balance, end of year at Dec. 31, 2021	4,160,923	(8,333)	(119,470)	(90,335)	4,160,923	0	42,850	$ 5,892	4,336,211	$ 583,277
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	4,160,923
Net income	775,457						8,318		823,495
Cash distributions							(10,715)		(1,059,105)
Long-term incentive compensation plans activity		607					25		2,521
Retirement of AB Units, net							(385)		(38,286)
Issuance of AB Units, net			40,346
Capital contributions from (to) AB Holding		3,456
Purchases of AB Holding Units to fund long-term compensation plans, net			(210,568)
Long-term incentive compensation awards expense			198,783
Re-valuation of AB Holding Units held in rabbi trust			(4,240)
Foreign currency translation adjustment	(45,993)			(45,993)
Changes in employee benefit related items, net of tax				6,851
Other			(169)
CarVal acquisition						12,607
Balance, end of year at Dec. 31, 2022	4,465,033	$ (4,270)	$ (95,318)	$ (129,477)	$ 4,465,033	$ 12,607	$ 45,985		$ 4,648,113
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	$ 4,477,640