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N-2
Dec. 29, 2022
Cover [Abstract]  
Entity Central Index Key 0001222401
Amendment Flag false
Investment Company Act File Number 811-21318
Document Type N-2
Investment Company Act Registration true
Investment Company Registration Amendment true
Investment Company Registration Amendment Number 10
Entity Registrant Name BlackRock Corporate High Yield Fund, Inc.
Entity Address, Address Line One 100 Bellevue Parkway
Entity Address, City or Town Wilmington
Entity Address, State or Province DE
Entity Address, Postal Zip Code 19809
City Area Code 800
Local Phone Number 882-0052
Approximate Date of Commencement of Proposed Sale to Public From time to time after the effective date of this Registration Statement.
Dividend or Interest Reinvestment Plan Only false
Delayed or Continuous Offering true
Primary Shelf [Flag] true
Effective Upon Filing, 462(e) true
Additional Securities Effective, 413(b) false
Effective when Declared, Section 8(c) false
New Effective Date for Previous Filing false
Additional Securities. 462(b) false
No Substantive Changes, 462(c) false
Exhibits Only, 462(d) true
Exhibits Only, 462(d), File Number 333-262469
Registered Closed-End Fund [Flag] true
Business Development Company [Flag] false
Interval Fund [Flag] false
Primary Shelf Qualified [Flag] true
Entity Well-known Seasoned Issuer Yes
Entity Emerging Growth Company false
New CEF or BDC Registrant [Flag] false
Business Contact [Member]  
Cover [Abstract]  
Entity Address, Address Line One 55 East 52nd Street
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10055
Contact Personnel Name John M. Perlowski, President