    <SEC-DOCUMENT>0001193125-24-213420-index.html : 20240905
    <SEC-HEADER>0001193125-24-213420.hdr.sgml : 20240905
    <ACCEPTANCE-DATETIME>20240904211037
    ACCESSION NUMBER:		0001193125-24-213420
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20240630
    FILED AS OF DATE:		20240905
    DATE AS OF CHANGE:		20240904
    EFFECTIVENESS DATE:		20240905

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BlackRock Science & Technology Term Trust
    		CENTRAL INDEX KEY:			0001768666
    		ORGANIZATION NAME:
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-23428
    		FILM NUMBER:		241279620

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800 882 0052

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BlackRock Science & Technology Trust II
    		DATE OF NAME CHANGE:	20190227

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BlackRock Science & technology Trust II
    		DATE OF NAME CHANGE:	20190221
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d876888dncsrs.htm
    <DESCRIPTION>BLACKROCK SCIENCE & TECHNOLOGY TERM TRUST
    <TEXT>
    Document 1 - file: d876888dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d876888dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d876888dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d876888dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d876888dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.SECTION19
    <SEQUENCE>4
    <FILENAME>d876888dex99section19.htm
    <DESCRIPTION>SECTION 19 NOTICES
    <TEXT>
    Document 4 - file: d876888dex99section19.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g780886imgcefbe0661.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g780886imgcefbe0661.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g780886imgeb2921462.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g780886imgeb2921462.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>