Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Sep. 30, 2022
Nov. 02, 2022
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2022  
Document Transition Report false  
Entity File Number 814-01190  
Entity Registrant Name OWL ROCK CAPITAL CORP  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 47-5402460  
Entity Address, Address Line One 399 Park Avenue  
Entity Address, Address Line Two 38th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10022  
City Area Code 212  
Local Phone Number 419-3000  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Trading Symbol ORCC  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   393,823,013
Amendment flag false  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001655888