v3.25.2
Fair Value of Financial Instruments - Schedule of Unobservable Inputs (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 13,647.8 [1] $ 13,490.4 [2]
Asset Based Finance    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 1,999.8 [1] 2,101.7 [2]
Level 3—Significant unobservable inputs    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 11,990.0 12,035.0
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 7,280.0 $ 7,115.0
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.068 0.058
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.201 0.238
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 0.105 0.106
Level 3—Significant unobservable inputs | Senior Notes | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,306.0 $ 1,376.0
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.5 0.7
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 12.6 11.3
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 8.2 8.6
Level 3—Significant unobservable inputs | Senior Notes | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 149.0 $ 14.0
Level 3—Significant unobservable inputs | Senior Notes | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 4.0 14.0
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 196.0 $ 188.0
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.090 0.113
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.155 0.154
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 0.119 0.127
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 29.0 $ 33.0
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 5.0 7.0
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 9.0 7.0
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 5.4 7.0
Level 3—Significant unobservable inputs | Subordinated Debt | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 12.0
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,519.0 $ 1,513.0
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 0.047 0.048
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 0.413 0.417
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 0.119 0.128
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 435.0 $ 516.0
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 | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 1.3 1.4
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 1.2 1.2
Level 3—Significant unobservable inputs | Asset Based Finance | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 41.0
Level 3—Significant unobservable inputs | Asset Based Finance | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 41.0 30.0
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1.0 $ 2.0
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.165 0.230
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.165 0.230
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.165 0.230
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 529.0 $ 538.0
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.040 0.043
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.210 0.248
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 0.135 0.143
Level 3—Significant unobservable inputs | Equity/Other | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 438.0 $ 625.0
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 1.2 0.7
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 19.0 16.0
Level 3—Significant unobservable inputs | Equity/Other | Waterfall | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.0 8.3
Level 3—Significant unobservable inputs | Equity/Other | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 53.0 $ 18.0
Level 3—Significant unobservable inputs | Equity/Other | Option Pricing Model    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 10.0  
Level 3—Significant unobservable inputs | Equity/Other | Option Pricing Model | Minimum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.300  
Level 3—Significant unobservable inputs | Equity/Other | Option Pricing Model | Maximum | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.300  
Level 3—Significant unobservable inputs | Equity/Other | Option Pricing Model | Weighted Average | Equity Illiquidity Discount    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.300  
[1] See Note 8 for additional information regarding the fair value of the Company’s financial instruments.
[2] See Note 8 for additional information regarding the fair value of the Company’s financial instruments.