XML 8 R1.htm IDEA: XBRL DOCUMENT v3.23.2

N-2	6 Months Ended
	May 31, 2023 shares
Cover [Abstract]
Entity Central Index Key	0001074540
Amendment Flag	false
Document Type	N-CSRS
Entity Registrant Name	Eaton Vance Municipal Income Trust
General Description of Registrant [Abstract]
Investment Objectives and Practices [Text Block]	The Trust seeks to provide current income exempt from regular federal income tax.
Common Shares [Member]
Capital Stock, Long-Term Debt, and Other Securities [Abstract]
Outstanding Security, Title [Text Block]	Common Shares
Outstanding Security, Held [Shares]	39,667,163

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-2
-Section Item 10

+ Details

Name:	cef_CapitalStockLongTermDebtAndOtherSecuritiesAbstract
Namespace Prefix:	cef_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-2
-Section Item 8

+ Details

Name:	cef_GeneralDescriptionOfRegistrantAbstract
Namespace Prefix:	cef_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-2
-Section Item 8
-Subsection 2
-Paragraph b, d

+ Details

Name:	cef_InvestmentObjectivesAndPracticesTextBlock
Namespace Prefix:	cef_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-2
-Section Item 10
-Subsection 5
-Paragraph 3

+ Details

Name:	cef_OutstandingSecurityHeldShares
Namespace Prefix:	cef_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-2
-Section Item 10
-Subsection 5
-Paragraph 1

+ Details

Name:	cef_OutstandingSecurityTitleTextBlock
Namespace Prefix:	cef_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cover page.

+ References

No definition available.

+ Details

Name:	dei_CoverAbstract
Namespace Prefix:	dei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:	dei_DocumentType
Namespace Prefix:	dei_
Data Type:	dei:submissionTypeItemType
Balance Type:	na
Period Type:	duration

X

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

+ Details

Name:	dei_EntityCentralIndexKey
Namespace Prefix:	dei_
Data Type:	dei:centralIndexKeyItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

+ Details

Name:	dei_EntityRegistrantName
Namespace Prefix:	dei_
Data Type:	xbrli:normalizedStringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	cef_SecurityAxis=evmit_CommonSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: