XML 11 R3.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Natixis Funds Trust II
Prospectus Date rr_ProspectusDate May 01, 2011
Loomis Sayles Multi-Asset Real Return Fund
 
Risk/Return: rr_RiskReturnAbstract  
Supplement [Text Block] cik0000052136_SupplementTextBlock