XML 7 R1.htm IDEA: XBRL DOCUMENT v3.4.0.3
Document and Entity Information
May. 02, 2016
Risk/Return:  
Document Type 497
Document Period End Date Sep. 30, 2015
Registrant Name DELAWARE GROUP EQUITY FUNDS IV
Central Index Key 0000778108
Amendment Flag false
Document Creation Date May 02, 2016
Document Effective Date May 02, 2016
Prospectus Date Jul. 29, 2015