v3.25.1
Form N-1A Cover
Apr. 30, 2025
Prospectus [Line Items]  
Document Effective Date Apr. 30, 2025
Document Creation Date Apr. 30, 2025
Document Type 485BPOS
Amendment Flag false
Registrant Name THE GABELLI UTILITIES FUND
Entity Central Index Key 0001087966
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
Prospectus Date Apr. 30, 2025