v3.25.3
Form N-1A Cover
Oct. 23, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name TIDAL TRUST III
Entity Central Index Key 0001722388
Entity Investment Company Type N-1A
Document Period End Date Oct. 23, 2025
Prospectus Date Oct. 28, 2025