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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Entity Registrant Name dei_EntityRegistrantName AMERICAN BEACON FUNDS
Entity Central Index Key dei_EntityCentralIndexKey 0000809593
Document Creation Date dei_DocumentCreationDate Oct. 02, 2013
Document Effective Date dei_DocumentEffectiveDate Oct. 02, 2013
Prospectus Date rr_ProspectusDate Dec. 31, 2012