<SEC-DOCUMENT>0001193125-24-003411-index.html : 20240105
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<ACCEPTANCE-DATETIME>20240105163623
ACCESSION NUMBER:		0001193125-24-003411
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20231031
FILED AS OF DATE:		20240105
DATE AS OF CHANGE:		20240105
EFFECTIVENESS DATE:		20240105

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09475
		FILM NUMBER:		24516765

	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>N-CSR
<SEQUENCE>1
<FILENAME>d576116dncsr.htm
<DESCRIPTION>NUVEEN AMT-FREE MUNICIPAL CREDIT INCOME FUND
<TEXT>
Document 1 - file: d576116dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d576116dex99cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT
<TEXT>
Document 2 - file: d576116dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d576116dex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT
<TEXT>
Document 3 - file: d576116dex99906cert.htm

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<DOCUMENT>
<TYPE>EX-99.IND PUB ACCT
<SEQUENCE>4
<FILENAME>d576116dex99indpubacct.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 4 - file: d576116dex99indpubacct.htm

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<DOCUMENT>
<TYPE>EX-99.PROXYVOTE
<SEQUENCE>5
<FILENAME>d576116dex99proxyvote.htm
<DESCRIPTION>EX-99.PROXYVOTE
<TEXT>
Document 5 - file: d576116dex99proxyvote.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>6
<FILENAME>cik0001090116-20231031.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 6 - file: cik0001090116-20231031.xsd

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<TYPE>EX-101.DEF
<SEQUENCE>7
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<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
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<TYPE>EX-101.LAB
<SEQUENCE>8
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Document 8 - file: cik0001090116-20231031_lab.xml

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<TYPE>EX-101.PRE
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Document 10 - file: g576116g55m01.jpg

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Document 22 - file: g576116g55m13.jpg

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<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 23 - file: R1.htm

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<TYPE>EXCEL
<SEQUENCE>25
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<TEXT>
Document 25 - file: Financial_Report.xlsx

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<SEQUENCE>26
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<TEXT>
Document 26 - file: Show.js

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<TYPE>XML
<SEQUENCE>27
<FILENAME>report.css
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<TEXT>
Document 27 - file: report.css

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<TYPE>XML
<SEQUENCE>28
<FILENAME>FilingSummary.xml
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<TEXT>
Document 28 - file: FilingSummary.html

Document 28 - RAW XML: FilingSummary.xml

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<TYPE>JSON
<SEQUENCE>31
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<TEXT>
Document 31 - file: MetaLinks.json

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<TYPE>ZIP
<SEQUENCE>32
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