v3.26.1
Form N-1A Cover
Jun. 01, 2026
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name FIS TRUST
Entity Central Index Key 0002069687
Entity Investment Company Type N-1A
Document Period End Date Jun. 01, 2026
Prospectus Date Jun. 02, 2026