v3.26.1
Fair Value of Financial Instruments - Schedule of Unobservable Inputs (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 11,418.1 [1],[2] $ 13,008.6 [3],[4]
Level 3—Significant unobservable inputs    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,760.0 11,005.0
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,332.0 $ 6,500.0
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.043 0.046
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.336 0.249
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.113 0.104
Level 3—Significant unobservable inputs | Senior Notes | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,826.0 $ 1,400.0
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.9 0.8
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 16.7 15.1
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 8.3 9.5
Level 3—Significant unobservable inputs | Senior Notes | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 24.0 $ 202.0
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 76.0 $ 112.0
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.103 0.099
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.200 0.151
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.154 0.124
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 24.0 $ 14.0
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 2.0 2.8
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 8.6 15.1
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 6.1 7.9
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 969.0 $ 1,103.0
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.062 0.047
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.170 0.437
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.123 0.126
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 377.0 $ 429.0
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 1.0 1.0
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Minimum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.100
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.3 1.3
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Maximum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.100
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 1.1 1.1
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Weighted Average | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.100
Level 3—Significant unobservable inputs | Asset Based Finance | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 16.0 $ 49.0
Level 3—Significant unobservable inputs | Asset Based Finance | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 74.0 112.0
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 1.0
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.069
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.069
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.069
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 461.0 $ 457.0
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.038 0.038
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.230 0.201
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.123 0.121
Level 3—Significant unobservable inputs | Equity/Other | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 561.0 $ 607.0
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 3.5 4.5
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Minimum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.100
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 25.8 25.5
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Maximum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.150
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 7.9 9.9
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Weighted Average | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input   0.112
Level 3—Significant unobservable inputs | Equity/Other | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 20.0 $ 19.0
[1] Security may be an obligation of one or more entities affiliated with the named company.
[2] See Note 8 for additional information regarding the fair value of the Company’s financial instruments.
[3] Security may be an obligation of one or more entities affiliated with the named company.
[4] See Note 8 for additional information regarding the fair value of the Company’s financial instruments.