Summary of Significant Accounting Policies - Business Events (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on sale of Accertify | $ 0 | $ 531 | $ 0 | |
| Accertify | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on sale of Accertify | $ 531 | |||
| Gain on sale of Accertify, net of tax | $ 479 | |||