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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName BBH Trust
Central Index Key dei_EntityCentralIndexKey 0001342947
Document Creation Date dei_DocumentCreationDate Mar. 12, 2015
Document Effective Date dei_DocumentEffectiveDate Mar. 12, 2015
Prospectus Date rr_ProspectusDate Mar. 02, 2015