Condensed Consolidated Statements of Income - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Revenues: | ||||
| Dividend and interest income | $ 30,511 | $ 35,944 | $ 90,182 | $ 106,431 |
| Investment (losses) gains | (11,454) | (2,721) | 33,110 | (31,084) |
| Other revenues | 32,598 | 34,253 | 100,713 | 98,345 |
| Total revenues | 1,238,905 | 1,152,350 | 3,637,152 | 3,355,043 |
| Less: Broker-dealer related interest expense | 13,340 | 15,203 | 38,857 | 48,382 |
| Net revenues | 1,225,565 | 1,137,147 | 3,598,295 | 3,306,661 |
| Expenses: | ||||
| Employee compensation and benefits | 564,223 | 450,793 | 1,502,907 | 1,310,878 |
| Promotion and servicing: | ||||
| Amortization of deferred sales commissions | 19,659 | 20,872 | 62,310 | 62,183 |
| Trade execution, marketing, T&E and other | 40,593 | 36,907 | 123,192 | 114,239 |
| General and administrative | 145,792 | 118,203 | 411,316 | 414,156 |
| Interest on borrowings | 4,929 | 7,167 | 19,235 | 22,768 |
| Amortization of intangible assets | 11,150 | 11,293 | 33,494 | 33,882 |
| Total expenses | 976,019 | 853,670 | 2,732,797 | 2,564,721 |
| Operating income | 249,546 | 283,477 | 865,498 | 741,940 |
| Income taxes | 11,191 | 17,085 | 46,137 | 46,566 |
| Net income | 238,355 | 266,392 | 819,361 | 695,374 |
| Net (loss) income of consolidated entities attributable to non-controlling interests | (18,549) | 7,129 | 11,750 | 4,845 |
| Net income attributable to AB Unitholders | $ 256,904 | $ 259,263 | $ 807,611 | $ 690,529 |
| Earnings Per Unit [Abstract] | ||||
| Net income per AB Unit - basic (in dollars per share) | $ 0.87 | $ 0.88 | $ 2.72 | $ 2.34 |
| Net income per AB Unit - diluted (in dollars per share) | $ 0.87 | $ 0.88 | $ 2.72 | $ 2.34 |
| Investment advisory and services fees | ||||
| Revenues: | ||||
| Revenue subject to contracts with customers | $ 989,970 | $ 874,450 | $ 2,812,130 | $ 2,573,540 |
| Distribution revenues | ||||
| Revenues: | ||||
| Revenue subject to contracts with customers | 197,280 | 210,424 | 601,017 | 607,811 |
| Promotion and servicing: | ||||
| Distribution-related payments | $ 189,673 | $ 208,435 | $ 580,343 | $ 606,615 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period for the periodic realization of capitalized fees that were paid to salespeople, distributors, brokers, and agents at the time of the conclusion of the sale. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Per unit of ownership amount after tax of income (loss) available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for dilutive potential units outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Per unit of ownership amount after tax of income (loss) available to outstanding limited partnership (LP) unit-holder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of revenue earned, classified as other, excluding interest income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss), from the firm's direct investment activity, conducted separately from customer trading activities, and includes, but is not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income after deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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