Name:	ab_LimitedLiabilityCompanyLlcOrLimitedPartnershipLpMembersOrLimitedPartnersEconomicInterestInCompany
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AXA's ownership percentage of the issued and outstanding units representing assignments of beneficial ownership of limited partnership interests in Holdings.

No definition available.

Name:	ab_LimitedLiabilityCompanyLlcOrLimitedPartnershipLpMembersOrLimitedPartnersOwnershipInterestInHoldingCompany
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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Data Type:	xbrli:stringItemType
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The number of general partner units outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Data Type:	num:percentItemType
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Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=ab_AxaAndItsSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=ab_HoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=ab_UnaffiliatedHoldersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_InitialApplicationPeriodCumulativeEffectTransitionAxis=us-gaap_DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
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