v3.26.1
AGREEMENTS - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 21, 2019
Jun. 20, 2019
Jun. 30, 2026
USD ($)
calendar_quarter
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
calendar_quarter
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Investment Company, Financial Highlights [Line Items]              
Asset coverage requirement applicable to senior securities 150.00% 200.00% 186.00%   186.00%    
Number of quarters considered in base management fee calculation | calendar_quarter     2   2    
Related party transaction amounts payable         $ 0 $ 0 $ 0
Capital gains incentive fee payable     $ 0   0   82
Income based fee payable     84   84   89
Administrative and other fees     4 $ 4 8 $ 8  
Accounts payable and other liabilities     167   $ 167   132
Investment Advisory and Management Agreement | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Termination notice period         60 days    
Asset coverage requirement applicable to senior securities 150.00% 200.00%          
Payments of capital gains incentive fees         $ 133    
Investment Advisory and Management Agreement | Controlled Affiliate | Minimum              
Investment Company, Financial Highlights [Line Items]              
Base management fee rate   1.50%          
Debt to equity leverage ratio 100.00%            
Investment Advisory and Management Agreement | Controlled Affiliate | Maximum              
Investment Company, Financial Highlights [Line Items]              
Base management fee rate 1.00%            
Debt to equity leverage ratio 100.00%            
Incentive Rate, Quarterly Hurdle Rate | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee         1.75%    
Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee         100.00%    
Incentive Rate, Quarterly Catch-Up Threshold | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee         2.1875%    
Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee         20.00%    
Incentive Rate, Realized Capital Gains | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee         20.00%    
Incentive Rate, Net Assets For Deferral Of Cash Payments | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Incentive fee 7.00%            
Administration Agreement | Controlled Affiliate              
Investment Company, Financial Highlights [Line Items]              
Termination notice period 60 days            
Accounts payable and other liabilities     $ 7   $ 7   $ 6