    <SEC-DOCUMENT>0001193125-26-210829-index.html : 20260507
    <SEC-HEADER>0001193125-26-210829.hdr.sgml : 20260507
    <ACCEPTANCE-DATETIME>20260507103402
    ACCESSION NUMBER:		0001193125-26-210829
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		3
    CONFORMED PERIOD OF REPORT:	20260228
    FILED AS OF DATE:		20260507
    DATE AS OF CHANGE:		20260507
    EFFECTIVENESS DATE:		20260507

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NUVEEN CALIFORNIA MUNICIPAL VALUE FUND
    		CENTRAL INDEX KEY:			0000818851
    		ORGANIZATION NAME:
    		EIN:				000000000
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0228

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-05235
    		FILM NUMBER:		26951523

    	BUSINESS ADDRESS:
    		STREET 1:		333 W. WACKER DR
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3129178146

    	MAIL ADDRESS:
    		STREET 1:		333 W. WACKER DR
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NUVEEN CALIFORNIA MUNICIPAL VALUE FUND INC
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d105187dncsrs.htm
    <DESCRIPTION>NUVEEN CALIFORNIA MUNICIPAL VALUE FUND
    <TEXT>
    Document 1 - file: d105187dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d105187dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT
    <TEXT>
    Document 2 - file: d105187dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>3
    <FILENAME>d105187dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT
    <TEXT>
    Document 3 - file: d105187dex99906cert.htm

    </DOCUMENT>
    </SEC-DOCUMENT>