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Fair Value Measurements - Summary of Assets Measured at Fair Value on Non Recurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Non-marketable equity securities $ 202.4 $ 224.1  
Non Marketable Equity Securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Non-marketable equity securities $ 202.4 224.1 $ 395.8
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]   95.1 [2] 23.4 [3]
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]   0.0 [2] 0.0 [3]
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]   56.5 [2] 5.1 [3]
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]   $ 38.6 [2] $ 18.3 [3]
[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 $129.0 million of non-marketable equity securities for which no observable price changes or impairment charges occurred during the year.
[3] Excludes $179.0 million of non-marketable equity securities for which no observable price changes or impairment charges occurred during the year.