Jun. 23, 2022
John Hancock Municipal Opportunities Fund
Shareholder fees (%) (fees paid directly from your investment)

Shareholder Fees (fees paid directly from your investment).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Subsection table
-Paragraph 1

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Namespace Prefix:	rr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration