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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Oct. 31, 2024
Entity 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 Feb. 05, 2025
Document Effective Date dei_DocumentEffectiveDate Feb. 05, 2025
Prospectus Date rr_ProspectusDate Mar. 01, 2024
American Beacon EAM International Small Cap Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock

 

I.Effective February 4, 2025, the name of the sub-advisor is changed to Global IMC LLC and all references to EAM Global Investors LLC are deleted and replaced with references to Global IMC LLC.

 

II.Effective February 4, 2025, references to EAM Investors, LLC are deleted and replaced with references to The Informed Momentum Company LLC.

 

III.Effective February 24, 2025, the name of the Fund is changed to American Beacon IMC International Small Cap Fund, and all references to the American Beacon EAM International Small Cap Fund are deleted and replaced with American Beacon IMC International Small Cap Fund.