v3.25.2
Financial Instruments (Tables)
 6 Months Ended
Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Summary of financial assets with maturities of less than 90 days included within cash and cash equivalents
The following table summarizes our financial assets with maturities of less than 90 days from the date of purchase included in cash and cash equivalents in our condensed consolidated balance sheets:
(In millions)As of June 30, 2025As of December 31, 2024
Money market funds$2,234.9 $1,664.9 
Total
$2,234.9 $1,664.9 
Marketable debt and equity securities The following tables summarize our marketable equity securities, classified as available-for-sale:
As of June 30, 2025
(In millions)Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
Marketable equity securities
Marketable equity securities, non-current$668.7 $— $(511.7)$157.0 
Total marketable equity securities$668.7 $— $(511.7)$157.0 

As of December 31, 2024
(In millions)Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Fair
Value
Marketable equity securities
Marketable equity securities, non-current$668.7 $— $(489.0)$179.7 
Total marketable equity securities$668.7 $— $(489.0)$179.7