v3.26.1
Cash and Available-for-Sale Securities - Schedule of Cash, Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]    
Cash $ 703.0 $ 682.7
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Amortized Cost 2,199.8 2,441.9
Estimated Fair Value 2,199.8 2,441.9
Balance Sheet Location [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Debt Securities, Available-for-sale [Line Items]    
Cash 703.0 682.7
Estimated Fair Value 1,619.8 1,391.9
Balance Sheet Location [Axis]: us-gaap:Investments    
Debt Securities, Available-for-sale [Line Items]    
Cash 0.0 0.0
Estimated Fair Value 580.0 1,050.0
Time deposits    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 580.0 1,130.0
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Estimated Fair Value 580.0 1,130.0
Time deposits | Balance Sheet Location [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 0.0 80.0
Time deposits | Balance Sheet Location [Axis]: us-gaap:Investments    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 580.0 1,050.0
Money market funds    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 916.8 629.2
Gross Unrealized Gains 0.0 0.0
Gross Unrealized Losses 0.0 0.0
Estimated Fair Value 916.8 629.2
Money market funds | Balance Sheet Location [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value 916.8 629.2
Money market funds | Balance Sheet Location [Axis]: us-gaap:Investments    
Debt Securities, Available-for-sale [Line Items]    
Estimated Fair Value $ 0.0 $ 0.0