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Document and Entity Information (USD $)
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6 Months Ended |
|---|---|
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Apr. 30, 2013
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| Document and Entity Information | |
| Entity registrant name | Eaton Vance Corp. |
| Entity central index key | 0000350797 |
| Document type | 10-Q |
| Document period end date | Apr. 30, 2013 |
| Document Fiscal Year Focus | 2013 |
| Document Fiscal Period Focus | Q2 |
| Amendment flag | false |
| Entity current reporting status | Yes |
| Entity voluntary filers | No |
| Current fiscal year end date | --10-31 |
| Entity filer category | Large Accelerated Filer |
| Entity well known seasoned issuer | Yes |
| Entity common stock shares outstanding | 121,409,056 |
| Entity public float | $ 4,659,905,087 |