    <SEC-DOCUMENT>0001193125-25-018468-index.html : 20250131
    <SEC-HEADER>0001193125-25-018468.hdr.sgml : 20250131
    <ACCEPTANCE-DATETIME>20250131170847
    ACCESSION NUMBER:		0001193125-25-018468
    CONFORMED SUBMISSION TYPE:	N-2ASR
    PUBLIC DOCUMENT COUNT:		23
    FILED AS OF DATE:		20250131
    DATE AS OF CHANGE:		20250131
    EFFECTIVENESS DATE:		20250131

    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:		N-2ASR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-21318
    		FILM NUMBER:		25579363

    	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

    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:		N-2ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-284646
    		FILM NUMBER:		25579362

    	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
    <IS-FILER-A-NEW-REGISTRANT>N
    <IS-FILER-A-WELL-KNOWN-SEASONED-ISSUER>Y
    <FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>Y
    <IS-FUND-24F2-ELIGIBLE>N
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-2ASR
    <SEQUENCE>1
    <FILENAME>d929720dn2asr.htm
    <DESCRIPTION>BLACKROCK CORPORATE HIGH YIELD FUND, INC.
    <TEXT>
    Document 1 - file: d929720dn2asr.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(L)(1)
    <SEQUENCE>2
    <FILENAME>d929720dex99l1.htm
    <DESCRIPTION>OPINION AND CONSENT OF COUNSEL
    <TEXT>
    Document 2 - file: d929720dex99l1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(N)
    <SEQUENCE>3
    <FILENAME>d929720dex99n.htm
    <DESCRIPTION>INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM CONSENT
    <TEXT>
    Document 3 - file: d929720dex99n.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>4
    <FILENAME>d929720dexfilingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 4 - file: d929720dexfilingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(T)
    <SEQUENCE>5
    <FILENAME>d929720dex99t.htm
    <DESCRIPTION>POWER OF ATTORNEY
    <TEXT>
    Document 5 - file: d929720dex99t.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>6
    <FILENAME>cik0001222401-20250131.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 6 - file: cik0001222401-20250131.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>7
    <FILENAME>cik0001222401-20250131_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 7 - file: cik0001222401-20250131_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>8
    <FILENAME>cik0001222401-20250131_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 8 - file: cik0001222401-20250131_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>9
    <FILENAME>cik0001222401-20250131_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 9 - file: cik0001222401-20250131_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g929720001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g929720001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g929720g0131120153967.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g929720g0131120153967.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g929720g0131120154157.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g929720g0131120154157.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g929720g0131122935267.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g929720g0131122935267.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g929720g54q33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g929720g54q33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g929720g71l91.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g929720g71l91.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>18
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>20
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: FilingSummary.html

    Document 22 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>25
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>26
    <FILENAME>0001193125-25-018468-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: 0001193125-25-018468-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>d929720dn2asr_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: d929720dn2asr_htm.html

    Document 27 - RAW XML: d929720dn2asr_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>