Cover Page
Cover Page | Apr. 13, 2021 | Apr. 12, 2021 |
Cover [Abstract] | ||
Document Type | 8-K | |
Document Period End Date | Apr. 13, 2021 | |
Entity Registrant Name | ALLIANCEBERNSTEIN L.P. | |
Entity Incorporation, State or Country Code | DE | |
Entity File Number | 000-29961 | |
Entity Tax Identification Number | 13-4064930 | |
Entity Address, Address Line One | 1345 Avenue of the Americas | |
Entity Address, City or Town | New York | |
Entity Address, State or Province | NY | |
Entity Address, Postal Zip Code | 10105 | |
City Area Code | 212 | |
Local Phone Number | 969-1000 | |
Written Communications | false | |
Soliciting Material | false | |
Pre-commencement Tender Offer | false | |
Pre-commencement Issuer Tender Offer | false | |
Entity Emerging Growth Company | false | |
Entity Central Index Key | 0001109448 | |
Amendment Flag | false |