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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Jun. 30, 2022
Registrant Name dei_EntityRegistrantName AMERICAN BEACON FUNDS
Entity Central Index Key dei_EntityCentralIndexKey 0000809593
Entity Inv Company Type dei_EntityInvCompanyType N-1A
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Mar. 15, 2023
Document Effective Date dei_DocumentEffectiveDate Mar. 15, 2023
American Beacon TwentyFour Sustainable Short Term Bond Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock

 

A.On page 16 of the Prospectus and page 3 of the Summary Prospectus, under the heading “Fund Summaries – American Beacon TwentyFour Sustainable Short Term Bond Fund - Principal Investment Strategies,” the last sentence is deleted.

 

B.On page 21 of the Prospectus and page 8 of the Summary Prospectus, under the heading “Fund Summaries - American Beacon TwentyFour Sustainable Short Term Bond Fund - Principal Risks,” “Non-Diversification Risk” is deleted.