    <SEC-DOCUMENT>0001193125-25-159953-index.html : 20250716
    <SEC-HEADER>0001193125-25-159953.hdr.sgml : 20250716
    <ACCEPTANCE-DATETIME>20250716171501
    ACCESSION NUMBER:		0001193125-25-159953
    CONFORMED SUBMISSION TYPE:	N-14 8C
    PUBLIC DOCUMENT COUNT:		12
    FILED AS OF DATE:		20250716
    DATE AS OF CHANGE:		20250716

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC.
    		CENTRAL INDEX KEY:			0001051004
    		ORGANIZATION NAME:
    		EIN:				223559052
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		N-14 8C
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-288713
    		FILM NUMBER:		251128083

    	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 CALIFORNIA INSURED FUND, INC.
    		DATE OF NAME CHANGE:	20070611

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS CALIFORNIA INSURED FUND
    		DATE OF NAME CHANGE:	20000828

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNIHOLDINGS CALIFORNIA INSURED FUND II INC/
    		DATE OF NAME CHANGE:	19980120
    <IS-FUND-24F2-ELIGIBLE>N
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-14 8C
    <SEQUENCE>1
    <FILENAME>d947396dn148c.htm
    <DESCRIPTION>BLACKROCK MUNIHOLDINGS CALIFORNIA QUALITY FUND, INC.
    <TEXT>
    Document 1 - file: d947396dn148c.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(1)(U)
    <SEQUENCE>2
    <FILENAME>d947396dex991u.htm
    <DESCRIPTION>ARTICLE SUPPLEMENTARY DATED SEPTEMBER 25, 2024
    <TEXT>
    Document 2 - file: d947396dex991u.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(12)
    <SEQUENCE>3
    <FILENAME>d947396dex9912.htm
    <DESCRIPTION>FORM OF TAX OPINION
    <TEXT>
    Document 3 - file: d947396dex9912.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(16)
    <SEQUENCE>4
    <FILENAME>d947396dex9916.htm
    <DESCRIPTION>POWER OF ATTORNEY OF THE BOARD OF DIRECTORS
    <TEXT>
    Document 4 - file: d947396dex9916.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(17)
    <SEQUENCE>5
    <FILENAME>d947396dex9917.htm
    <DESCRIPTION>FORM OF PROXY CARDS FOR COMMON SHARES OF THE FUNDS
    <TEXT>
    Document 5 - file: d947396dex9917.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>6
    <FILENAME>d947396dexfilingfees.htm
    <DESCRIPTION>CALCULATION OF FILING FEE TABLES
    <TEXT>
    Document 6 - file: d947396dexfilingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g947396dsp224.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g947396dsp224.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g947396dsp225.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g947396dsp225.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g947396dsp226.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g947396dsp226.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g947396dsp227.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g947396dsp227.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g947396g0711125325941.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g947396g0711125325941.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g947396g0711133242026.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g947396g0711133242026.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>