    <SEC-DOCUMENT>0001193125-24-231941-index.html : 20241003
    <SEC-HEADER>0001193125-24-231941.hdr.sgml : 20241003
    <ACCEPTANCE-DATETIME>20241003124033
    ACCESSION NUMBER:		0001193125-24-231941
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		19
    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 QUALITY FUND II, INC.
    		CENTRAL INDEX KEY:			0001071899
    		ORGANIZATION NAME:
    		IRS NUMBER:				223636347
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-09191
    		FILM NUMBER:		241350591

    	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 INSURED FUND II, INC.
    		DATE OF NAME CHANGE:	20080619

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS INSURED FUND II INC
    		DATE OF NAME CHANGE:	19981009
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>d880250dncsr.htm
    <DESCRIPTION>BLACKROCK MUNIHOLDINGS QUALITY FUND II, INC.
    <TEXT>
    Document 1 - file: d880250dncsr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d880250dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d880250dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d880250dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d880250dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.PROXYPOL
    <SEQUENCE>4
    <FILENAME>d880250dex99proxypol.htm
    <DESCRIPTION>PROXY VOTING POLICY AND PROCEDURES
    <TEXT>
    Document 4 - file: d880250dex99proxypol.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.GLOBALCORPGOV
    <SEQUENCE>5
    <FILENAME>d880250dex99globalcorpgov.htm
    <DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
    <TEXT>
    Document 5 - file: d880250dex99globalcorpgov.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.USCORPGOV
    <SEQUENCE>6
    <FILENAME>d880250dex99uscorpgov.htm
    <DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
    <TEXT>
    Document 6 - file: d880250dex99uscorpgov.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g879721sp16a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g879721sp16a.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g879721sp16b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g879721sp16b.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g879721sp17a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g879721sp17a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g879721sp38.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g879721sp38.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g879721sp39.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g879721sp39.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g880250img0c3b14426.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g880250img0c3b14426.gif

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g880250img2b3d7b9e1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g880250img2b3d7b9e1.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g880250img87f9ad864.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g880250img87f9ad864.gif

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g880250imgcb1572d37.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g880250imgcb1572d37.gif

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g880250imge29526f33.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g880250imge29526f33.gif

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g880250imge3ca72395.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g880250imge3ca72395.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g880250imgf5d8e75d2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g880250imgf5d8e75d2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g880250imgf82ab54b8.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g880250imgf82ab54b8.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>