    <SEC-DOCUMENT>0001193125-25-073008-index.html : 20250404
    <SEC-HEADER>0001193125-25-073008.hdr.sgml : 20250404
    <ACCEPTANCE-DATETIME>20250404103428
    ACCESSION NUMBER:		0001193125-25-073008
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20250131
    FILED AS OF DATE:		20250404
    DATE AS OF CHANGE:		20250404
    EFFECTIVENESS DATE:		20250404

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NUVEEN FLOATING RATE INCOME FUND
    		CENTRAL INDEX KEY:			0001276533
    		ORGANIZATION NAME:
    		EIN:				000000000
    		STATE OF INCORPORATION:			MA

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21494
    		FILM NUMBER:		25812383

    	BUSINESS ADDRESS:
    		STREET 1:		333 WEST WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3129177700

    	MAIL ADDRESS:
    		STREET 1:		333 WEST WACKER DRIVE
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d813055dncsrs.htm
    <DESCRIPTION>NUVEEN FLOATING RATE INCOME FUND
    <TEXT>
    Document 1 - file: d813055dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d813055dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT
    <TEXT>
    Document 2 - file: d813055dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(A)(5)
    <SEQUENCE>3
    <FILENAME>d813055dex99a5.htm
    <DESCRIPTION>KPMG RESPONSE LETTER
    <TEXT>
    Document 3 - file: d813055dex99a5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>4
    <FILENAME>d813055dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT
    <TEXT>
    Document 4 - file: d813055dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g813055sp55a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g813055sp55a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g813055sp55b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g813055sp55b.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>