XML 11 R4.htm IDEA: XBRL DOCUMENT v3.8.0.1
Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName iSHARES TRUST
Prospectus Date rr_ProspectusDate Dec. 01, 2017
Document Creation Date dei_DocumentCreationDate Feb. 16, 2018