v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 000-56562  
Entity Registrant Name VISTA CREDIT STRATEGIC LENDING CORP.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 88-1906598  
Entity Address, Address Line One 50 Hudson Yards  
Entity Address, Address Line Two Floor 77  
Entity Address, State or Province NY  
Entity Address, City or Town New York  
Entity Address, Postal Zip Code 10001  
City Area Code 212  
Local Phone Number 804-9100  
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 Central Index Key 0001919369  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Common Class I [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   45,991,195.118
Common Class S [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   5,246,859.191
Common Class D [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding (in shares)   0