v3.25.2
Related Party Transactions - Schedule of Fees And Expenses Accrued Under The Investment Advisory Agreement (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Related Party Transaction [Line Items]          
Base Management Fee $ 53.0 $ 54.0 $ 105.0 $ 109.0  
Subordinated Incentive Fee on Income [1] 36.0 45.0 75.0 88.0  
Administrative Services Expenses 1.0 1.0 2.0 2.0  
Management fees payable 53.0   53.0   $ 53.0
Subordinated income incentive fees payable [2] 36.0   36.0   $ 35.0
FS/KKR Advisor, LLC          
Related Party Transaction [Line Items]          
Base Management Fee 53.0 54.0 105.0 109.0  
Subordinated Incentive Fee on Income 36.0 45.0 75.0 88.0  
Administrative Services Expenses 2.0 $ 2.0 5.0 5.0  
Base management fees     105.0 111.0  
Management fees payable 53.0   53.0    
Incentive fee paid     74.0 85.0  
Subordinated income incentive fees payable $ 36.0   36.0    
Allocation of costs of administrative personnel for services rendered     4.0 4.0  
Broken deal cost     0.4    
Payment for administrative services expenses     $ 2.0 $ 3.0  
[1] See Note 2 and 4 for a discussion of the methodology employed by the Company in calculating the subordinated income incentive fees.
[2] See Note 2 and 4 for a discussion of the methodology employed by the Company in calculating the subordinated income incentive fees.