v3.25.4
Form N-1A Cover
Feb. 02, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name First Trust Exchange-Traded Fund VI
Entity Central Index Key 0001552740
Entity Investment Company Type N-1A
Document Period End Date Feb. 02, 2026
Prospectus Date Feb. 03, 2026