v3.26.1
Form N-1A Cover
Jul. 17, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name Innovator ETFs Trust
Entity Central Index Key 0001415726
Entity Investment Company Type N-1A
Document Period End Date Jul. 17, 2026
Prospectus Date Aug. 03, 2026