Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 01, 2023
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Entity Central Index Key	0001834543
Current Fiscal Year End Date	--12-31
Entity File Number	814-01378
Entity Registrant Name	BLACKROCK DIRECT LENDING CORP.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3439073
Entity Address, Address Line One	2951 28th Street
Entity Address, Address Line Two	Suite 1000
Entity Address, City or Town	Santa Monica
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90405
City Area Code	310
Local Phone Number	566-1094
Title of 12(b) Security	None
No Trading Symbol Flag	true
Security Exchange Name	NONE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Public Float	$ 0
Entity Common Stock, Shares Outstanding		17,459,576
Documents Incorporated by Reference	Portions of the Registrant’s Proxy Statement relating to the Registrant’s 2022 Annual Meeting of Stockholders to be filed not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K are incorporated by reference into Part III of this Report.
Auditor Name	Deloitte & Touche LLP
Auditor Location	Los Angeles, California
Auditor Firm ID	34
Document Annual Report	true
Document Transition Report	false