v3.25.2
FAIR VALUE OF FINANCIAL INSTRUMENTS - Significant Unobservable Inputs (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value $ 27,886.4 [1] $ 26,719.9 [2]
Level 3    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 27,126.0 26,091.0
Level 3 | Yield analysis | First lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 16,137.0 14,722.0
Level 3 | Yield analysis | Second lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 1,229.0 1,724.0
Level 3 | Yield analysis | Senior subordinated loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 1,379.0 1,343.0
Level 3 | Yield analysis | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 2,643.0 2,649.0
Level 3 | Discounted cash flow analysis | Subordinated certificates of the SDLP    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 1,052.0 1,192.0
Level 3 | Discounted cash flow analysis | Ivy Hill Asset Management, L.P.    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value 2,081.0 1,915.0
Level 3 | EV market multiple analysis | Other equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value $ 2,605.0 $ 2,546.0
Level 3 | Market yield | Yield analysis | Minimum | First lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.054 0.038
Level 3 | Market yield | Yield analysis | Minimum | Second lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.110 0.096
Level 3 | Market yield | Yield analysis | Minimum | Senior subordinated loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.069 0.084
Level 3 | Market yield | Yield analysis | Minimum | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.070 0.070
Level 3 | Market yield | Yield analysis | Maximum | First lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.208 0.229
Level 3 | Market yield | Yield analysis | Maximum | Second lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.187 0.232
Level 3 | Market yield | Yield analysis | Maximum | Senior subordinated loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.226 0.219
Level 3 | Market yield | Yield analysis | Maximum | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.196 0.190
Level 3 | Market yield | Yield analysis | Weighted Average | First lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.101 0.104
Level 3 | Market yield | Yield analysis | Weighted Average | Second lien senior secured loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.140 0.142
Level 3 | Market yield | Yield analysis | Weighted Average | Senior subordinated loans    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.140 0.128
Level 3 | Market yield | Yield analysis | Weighted Average | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.132 0.133
Level 3 | Discount rate | Discounted cash flow analysis | Minimum | Subordinated certificates of the SDLP    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.094 0.100
Level 3 | Discount rate | Discounted cash flow analysis | Minimum | Ivy Hill Asset Management, L.P.    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.093 0.099
Level 3 | Discount rate | Discounted cash flow analysis | Maximum | Subordinated certificates of the SDLP    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.127 0.130
Level 3 | Discount rate | Discounted cash flow analysis | Maximum | Ivy Hill Asset Management, L.P.    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.190 0.190
Level 3 | Discount rate | Discounted cash flow analysis | Weighted Average | Subordinated certificates of the SDLP    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.118 0.120
Level 3 | Discount rate | Discounted cash flow analysis | Weighted Average | Ivy Hill Asset Management, L.P.    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 0.101 0.114
Level 3 | EBITDA multiple | EV market multiple analysis | Minimum | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 3 2.6
Level 3 | EBITDA multiple | EV market multiple analysis | Minimum | Other equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 5 5.6
Level 3 | EBITDA multiple | EV market multiple analysis | Maximum | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 27.4 25.1
Level 3 | EBITDA multiple | EV market multiple analysis | Maximum | Other equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 35 49.7
Level 3 | EBITDA multiple | EV market multiple analysis | Weighted Average | Preferred equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 16.0 15.4
Level 3 | EBITDA multiple | EV market multiple analysis | Weighted Average | Other equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Unobservable Input 16.2 18.1
[1] As of June 30, 2025, the estimated net unrealized gain for federal tax purposes was approximately $0.3 billion based on a tax cost basis of $27.5 billion. As of June 30, 2025, the estimated aggregate gross unrealized gain for federal income tax purposes was approximately $1.8 billion and the estimated aggregate gross unrealized loss for federal income tax purposes was approximately $1.5 billion.
[2] As of December 31, 2024, the estimated net unrealized gain for federal tax purposes was $0.2 billion based on a tax cost basis of $26.5 billion. As of December 31, 2024, the estimated aggregate gross unrealized gain for federal income tax purposes was $1.7 billion and the estimated aggregate gross unrealized loss for federal income tax purposes was $1.5 billion.