Balance Sheet Components (Other Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating lease right-of-use assets	$ 276.3	$ 253.1
Other long-term assets	771.6	754.0
Other assets	1,997.9	2,356.9
Convertible Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Securities, FV-NI, Cost	$ 950.0	$ 1,349.8