v3.26.1
Touchstone Small Cap Value Fund N-1A Cover
Sep. 30, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name TOUCHSTONE FUNDS GROUP TRUST
Entity Central Index Key 0000914243
Entity Investment Company Type N-1A
Document Period End Date Sep. 30, 2025
Prospectus Date Jul. 27, 2026