    <SEC-DOCUMENT>0001193125-25-022797-index.html : 20250207
    <SEC-HEADER>0001193125-25-022797.hdr.sgml : 20250207
    <ACCEPTANCE-DATETIME>20250207171052
    ACCESSION NUMBER:		0001193125-25-022797
    CONFORMED SUBMISSION TYPE:	424B2
    PUBLIC DOCUMENT COUNT:		16
    FILED AS OF DATE:		20250207
    DATE AS OF CHANGE:		20250207

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BLACKROCK CORPORATE HIGH YIELD FUND, INC.
    		CENTRAL INDEX KEY:			0001222401
    		ORGANIZATION NAME:
    		IRS NUMBER:				000000000

    	FILING VALUES:
    		FORM TYPE:		424B2
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-284646
    		FILM NUMBER:		25602826

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809
    		BUSINESS PHONE:		800-441-7762

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

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK CORPORATE HIGH YIELD FUND VI, INC.
    		DATE OF NAME CHANGE:	20120920

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BLACKROCK CORPORATE HIGH YIELD FUND VI INC
    		DATE OF NAME CHANGE:	20061018

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CORPORATE HIGH YIELD FUND VI INC
    		DATE OF NAME CHANGE:	20030917
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>424B2
    <SEQUENCE>1
    <FILENAME>d876690d424b2.htm
    <DESCRIPTION>BLACKROCK CORPORATE HIGH YIELD FUND 424B2
    <TEXT>
    Document 1 - file: d876690d424b2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>cik0001222401-20250207.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 2 - file: cik0001222401-20250207.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>3
    <FILENAME>cik0001222401-20250207_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 3 - file: cik0001222401-20250207_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>cik0001222401-20250207_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 4 - file: cik0001222401-20250207_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>cik0001222401-20250207_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 5 - file: cik0001222401-20250207_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g876690g54q33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g876690g54q33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g876690g71l91.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g876690g71l91.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>10
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: FilingSummary.html

    Document 14 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>16
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>17
    <FILENAME>0001193125-25-022797-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: 0001193125-25-022797-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>d876690d424b2_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: d876690d424b2_htm.html

    Document 18 - RAW XML: d876690d424b2_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>