Balance Sheet Components (Other Assets) (Details) - USD ($) $ in Millions |
Mar. 31, 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 | $ 265.9 | $ 253.1 |
| Other long-term assets | 775.0 | 754.0 |
| Other assets | 2,274.9 | 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 | $ 1,234.0 | $ 1,349.8 |