v3.25.1
Form N-CSR Cover
12 Months Ended
Feb. 28, 2025
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name EATON VANCE MUTUAL FUNDS TRUST
Entity Central Index Key 0000745463
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2025