v3.26.1
Balance Sheet Components (Prepaid Expenses and Other Current Assets) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment [Line Items]    
Prepaid expenses $ 192.1 $ 225.4
Fair value of financial instruments 104.2 84.2
Equity securities (1) 478.7 65.7
Deferred charge for taxes on intercompany profit 610.8 568.3
Income tax receivable 543.3 315.8
Other current assets 139.6 136.2
Prepaid expenses and other current assets 2,109.8 1,436.3
Available-for-sale fixed income investments    
Property, Plant, and Equipment [Line Items]    
Available-for-sale securities $ 41.1 $ 40.7