    <SEC-DOCUMENT>0001193125-25-152754-index.html : 20250630
    <SEC-HEADER>0001193125-25-152754.hdr.sgml : 20250630
    <ACCEPTANCE-DATETIME>20250630162625
    ACCESSION NUMBER:		0001193125-25-152754
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20250814
    FILED AS OF DATE:		20250630
    DATE AS OF CHANGE:		20250630

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Nuveen AMT-Free Municipal Credit Income Fund
    		CENTRAL INDEX KEY:			0001090116
    		ORGANIZATION NAME:
    		EIN:				752998730
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	811-09475
    		FILM NUMBER:		251092415

    	BUSINESS ADDRESS:
    		STREET 1:		333 WEST WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3129178146

    	MAIL ADDRESS:
    		STREET 1:		333 WEST WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Nuveen Enhanced AMT-Free Municipal Credit Opportunities Fund
    		DATE OF NAME CHANGE:	20160411

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NUVEEN DIVIDEND ADVANTAGE MUNICIPAL INCOME FUND
    		DATE OF NAME CHANGE:	20120106

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NUVEEN INSURED DIVIDEND ADVANTAGE MUNICIPAL FUND
    		DATE OF NAME CHANGE:	19990709
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d921906ddef14a.htm
    <DESCRIPTION>NUVEEN AMT-FREE MUNICIPAL CREDIT INCOME FUND
    <TEXT>
    Document 1 - file: d921906ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g921906dsp_53.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g921906dsp_53.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g921906dsp_54.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g921906dsp_54.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g921906dsp_55.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g921906dsp_55.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g921906dsp_56.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g921906dsp_56.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g921906g58b43.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g921906g58b43.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>