v3.26.1
Fair Value of Financial Instruments - Schedule of Unobservable Inputs (Details)
$ in Millions
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 12,269.4 [1],[2] $ 13,008.6 [3],[4]
Level 3—Significant unobservable inputs    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 10,549.0 11,005.0
Level 3—Significant unobservable inputs | Senior Notes | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 6,058.0 $ 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 0.071 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 0.320 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 0.105 0.104
Level 3—Significant unobservable inputs | Senior Notes | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,709.0 $ 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 1.4 0.8
Level 3—Significant unobservable inputs | Senior Notes | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 17.1 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 8.5 9.5
Level 3—Significant unobservable inputs | Senior Notes | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 25.0 $ 202.0
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 61.0 $ 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 0.110 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 0.154 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 0.144 0.124
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 9.0 $ 14.0
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 2.6 2.8
Level 3—Significant unobservable inputs | Subordinated Debt | Waterfall | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.7 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 5.7 7.9
Level 3—Significant unobservable inputs | Subordinated Debt | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 29.0  
Level 3—Significant unobservable inputs | Asset Based Finance | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,013.0 $ 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 0.046 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 0.288 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 0.130 0.126
Level 3—Significant unobservable inputs | Asset Based Finance | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 425.0 $ 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 1.2 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 $ 39.0 $ 49.0
Level 3—Significant unobservable inputs | Asset Based Finance | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 182.0 112.0
Level 3—Significant unobservable inputs | Asset Based Finance | Indicative Dealer Quotes    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1.0 $ 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 0.068 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 0.068 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 0.068 0.069
Level 3—Significant unobservable inputs | Equity/Other | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 456.0 $ 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 0.035 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 0.211 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 0.122 0.121
Level 3—Significant unobservable inputs | Equity/Other | Waterfall    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 521.0 $ 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 25.5 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 8.8 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 | Cost    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 18.0  
Level 3—Significant unobservable inputs | Equity/Other | Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 3.0 $ 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.