3.20.2 html 3 128 1 false 2 0 false 2 false true R1.htm 00000003 - Document - Risk/Return Summary {Unlabeled} Sheet http://innovatoretfs.com/role/RiskReturn Risk/Return Summary 1 false false R4.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 2 false false All Reports Book All Reports inetfs20201027c_497.htm pnov-20201102.xsd pnov-20201102_cal.xml pnov-20201102_def.xml pnov-20201102_lab.xml pnov-20201102_pre.xml g1.jpg g2.jpg g3.jpg imagea.jpg logo.jpg http://xbrl.sec.gov/dei/2020-01-31 http://xbrl.sec.gov/rr/2018-01-31 true true