{
 "sym": "ETSIX",
 "cik": "0000745463",
 "trust": "Eaton Vance Mutual Funds Trust",
 "filing": "2026-03-31",
 "table": {
  "nii": [
   -0.73
  ],
  "gains": [],
  "roc": [
   0.0
  ],
  "tot": [
   -2.05
  ],
  "nav": [],
  "ncols": 1
 },
 "roc_share_5y": -0.0,
 "nav_change_5y": null
}