    <SEC-DOCUMENT>0001193125-24-232000-index.html : 20241003
    <SEC-HEADER>0001193125-24-232000.hdr.sgml : 20241003
    <ACCEPTANCE-DATETIME>20241003130034
    ACCESSION NUMBER:		0001193125-24-232000
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20240731
    FILED AS OF DATE:		20241003
    DATE AS OF CHANGE:		20241003
    EFFECTIVENESS DATE:		20241003

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK MUNIHOLDINGS FUND, INC.
    		CENTRAL INDEX KEY:			0001034665
    		ORGANIZATION NAME:
    		IRS NUMBER:				223508039
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-08081
    		FILM NUMBER:		241350658

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800-441-7762

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK MUNIHOLDINGS FUND INC
    		DATE OF NAME CHANGE:	20061026

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS FUND INC
    		DATE OF NAME CHANGE:	19970226
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d881653dncsr.htm
    <DESCRIPTION>BLACKROCK MUNIHOLDINGS FUND, INC.
    <TEXT>
    Document 1 - file: d881653dncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d881653dex99cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d881653dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>3
    <FILENAME>d881653dex99906cert.htm
    <DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d881653dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.PROXYPOL
    <SEQUENCE>4
    <FILENAME>d881653dex99proxypol.htm
    <DESCRIPTION>PROXY VOTING POLICY AND PROCEDURES
    <TEXT>
    Document 4 - file: d881653dex99proxypol.htm

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    <DOCUMENT>
    <TYPE>EX-99.GLOBALCORPGOV
    <SEQUENCE>5
    <FILENAME>d881653dex99globalcorpgov.htm
    <DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
    <TEXT>
    Document 5 - file: d881653dex99globalcorpgov.htm

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    <DOCUMENT>
    <TYPE>EX-99.USCORPGOV
    <SEQUENCE>6
    <FILENAME>d881653dex99uscorpgov.htm
    <DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
    <TEXT>
    Document 6 - file: d881653dex99uscorpgov.htm

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    <SEQUENCE>7
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    <DESCRIPTION>GRAPHIC
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    Document 7 - file: g879721sp16a.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 8 - file: g879721sp16b.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 9 - file: g879721sp17a.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 10 - file: g879721sp38.jpg

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    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g879721sp39.jpg

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    <SEQUENCE>12
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g881653img040b17753.gif

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    <DESCRIPTION>GRAPHIC
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    Document 13 - file: g881653img177c5bae8.gif

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    <DESCRIPTION>GRAPHIC
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    Document 14 - file: g881653img22d8de475.gif

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    <SEQUENCE>15
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g881653img799639cd10.jpg

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g881653img8866a5f77.gif

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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g881653imga2196beb6.gif

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    <SEQUENCE>18
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g881653imgbf8759dd2.jpg

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    <SEQUENCE>19
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g881653imgcf5965211.jpg

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    <SEQUENCE>20
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g881653imgd179564b9.gif

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    <SEQUENCE>21
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    <DESCRIPTION>GRAPHIC
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    Document 21 - file: g881653imge530cf904.gif

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