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)	Non-redeemable Non-controlling Interests in Consolidated Entities	Non-redeemable Non-controlling Interests in Consolidated Entities CarVal	General Partner’s Capital	Limited Partners' Capital
Partners' capital, beginning balance at Dec. 31, 2020		$ (8,316)	$ (57,219)	$ (94,203)			$ 41,776	$ 4,229,485
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 1,153,734				$ 0		11,486	1,137,137
Cash distributions to Unitholders							(10,605)	(1,049,287)
Long-term incentive compensation plans activity		941	215,484				117	11,586
Retirement of AB Units, net			(7,348)
Issuance of AB Units, net							76	7,290
Issuance of AB Units for CarVal acquisition							0	0
Capital contributions (to) from AB Holding		(958)
Purchases of AB Holding Units to fund long-term compensation plans, net			(261,825)
Re-valuation of AB Holding Units held in rabbi trust			(9,690)
CarVal acquisition						$ 0
Foreign currency translation adjustment	(11,840)			(11,840)
Employee benefit related items, net of tax	15,708			15,708
Distributions to non-controlling interests, net					0
Other			1,128		0
Partners' capital, ending balance at Dec. 31, 2021	4,160,923	(8,333)	(119,470)	(90,335)			42,850	4,336,211
Balance, beginning of period at Dec. 31, 2020					0
Balance, end of period at Dec. 31, 2021					0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	4,160,923
Net income	775,457				0		8,318	823,495
Cash distributions to Unitholders							(10,715)	(1,059,105)
Long-term incentive compensation plans activity		607	198,783				25	2,521
Retirement of AB Units, net							(385)	(38,286)
Issuance of AB Units, net			40,346
Issuance of AB Units for CarVal acquisition							5,892	583,277
Capital contributions (to) from AB Holding		3,456
Purchases of AB Holding Units to fund long-term compensation plans, net			(210,568)
Re-valuation of AB Holding Units held in rabbi trust			(4,240)
CarVal acquisition						12,607
Foreign currency translation adjustment	(45,993)			(45,993)
Employee benefit related items, net of tax	6,851			6,851
Distributions to non-controlling interests, net					0
Other			(169)		0
Partners' capital, ending balance at Dec. 31, 2022	4,465,033	(4,270)	(95,318)	(129,477)			45,985	4,648,113
Balance, end of period at Dec. 31, 2022					12,607
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	4,477,640
Net income	788,619				743		7,646	756,964
Cash distributions to Unitholders							(8,411)	(830,860)
Long-term incentive compensation plans activity		727	179,724				(21)	(2,080)
Retirement of AB Units, net			(17,562)
Issuance of AB Units, net							189	18,482
Issuance of AB Units for CarVal acquisition							0	0
Capital contributions (to) from AB Holding		(947)
Purchases of AB Holding Units to fund long-term compensation plans, net			(144,086)
Re-valuation of AB Holding Units held in rabbi trust			879
CarVal acquisition						$ 0
Foreign currency translation adjustment	14,033			14,033
Employee benefit related items, net of tax	9,080			9,080
Distributions to non-controlling interests, net					(8,514)
Other			0		(264)
Partners' capital, ending balance at Dec. 31, 2023	4,448,790	$ (4,490)	$ (76,363)	$ (106,364)			$ 45,388	$ 4,590,619
Balance, end of period at Dec. 31, 2023					$ 4,572
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total capital	$ 4,453,362