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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Mar. 31, 2024
Registrant Name dei_EntityRegistrantName COLUMBIA FUNDS SERIES TRUST
Entity Central Index Key dei_EntityCentralIndexKey 0001097519
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jul. 26, 2024
Document Effective Date dei_DocumentEffectiveDate Aug. 01, 2024
Prospectus Date rr_ProspectusDate Aug. 01, 2024
Entity Inv Company Type dei_EntityInvCompanyType N-1A