Summary of Significant Accounting Policies Capitalized Software (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2023 |
Dec. 31, 2024 |
|
| Accounting Policies [Abstract] | |||
| Capitalized software less accumulated amortization | $ 1,061.0 | $ 836.0 | $ 907.0 |
| Write-offs of impaired software | $ 72.0 | ||
| Maximum | |||
| Accounting Policies [Abstract] | |||
| Capitlalized Software, Useful Life | 10 years | ||
| Capitalized Software [Line Items] | |||
| Capitlalized Software, Useful Life | 10 years | ||
| Minimum | |||
| Accounting Policies [Abstract] | |||
| Capitlalized Software, Useful Life | 3 years | ||
| Capitalized Software [Line Items] | |||
| Capitlalized Software, Useful Life | 3 years | ||