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    ACCESSION NUMBER:		0001193125-23-227181
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20230630
    FILED AS OF DATE:		20230901
    DATE AS OF CHANGE:		20230901
    EFFECTIVENESS DATE:		20230901

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK INCOME TRUST, INC.
    		CENTRAL INDEX KEY:			0000832327
    		IRS NUMBER:				133463349
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-05542
    		FILM NUMBER:		231231173

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		STREET 2:		MUTUAL FUND DEPARTMENT
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		888-825-2257

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		STREET 2:		MUTUAL FUND DEPARTMENT
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK INCOME TRUST INC.
    		DATE OF NAME CHANGE:	20121009

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK INCOME TRUST INC
    		DATE OF NAME CHANGE:	19930309

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKSTONE INCOME TRUST INC
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d472111dncsrs.htm
    <DESCRIPTION>BLACKROCK INCOME TRUST, INC.
    <TEXT>
    Document 1 - file: d472111dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d472111dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d472111dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d472111dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
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    <TYPE>EX-101.SCH
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    <FILENAME>briti-20230630.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>6
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>9
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>d472111dncsrs_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>11
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>17
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <TYPE>ZIP
    <SEQUENCE>18
    <FILENAME>0001193125-23-227181-xbrl.zip
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    <TEXT>
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