XML 15 R4.htm IDEA: XBRL DOCUMENT v3.3.0.814
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Natixis Funds Trust II
Prospectus Date rr_ProspectusDate May 01, 2015
Document Creation Date dei_DocumentCreationDate Sep. 14, 2015