v3.26.3
Fair Value Measurements - Summary of Assets Measured at Fair Value on Non Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities $ 216.6   $ 253.1      
Non Marketable Equity Securities            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities 216.6 $ 214.4 $ 253.1 $ 231.4 $ 218.3 $ 202.4
Non Marketable Equity Securities | Non-recurring Basis            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities [1],[2] 104.8          
Non Marketable Equity Securities | Level 1 | Non-recurring Basis            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities [1],[2] 0.0          
Non Marketable Equity Securities | Level 2 | Non-recurring Basis            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities [1],[2] 96.0          
Non Marketable Equity Securities | Level 3 | Non-recurring Basis            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Non-marketable equity securities [1],[2] $ 8.8          
[1] Estimated fair values were determined during the year as of the dates that either an observable transaction occurred or an impairment assessment was made.
[2] Excludes $111.8 million of non-marketable equity securities for which no observable price changes or impairment charges occurred during the nine months ended September 30, 2026.