XML 11 R4.htm IDEA: XBRL DOCUMENT v3.4.0.3
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName VANGUARD TAX-MANAGED FUNDS
Prospectus Date rr_ProspectusDate Apr. 08, 2016
Document Creation Date dei_DocumentCreationDate Jun. 01, 2016