Stock-Based Compensation Plans - Schedule of Stock-Based Compensation Expense for Stock Awards Recognized (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Total | $ 6,782,000,000 | $ 1,899,000,000 | $ 11,248,000,000 | $ 3,941,000,000 |
| Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Total | 2,876,000,000 | 1,138,000,000 | 5,859,000,000 | 2,349,000,000 |
| Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Total | $ 3,906,000,000 | $ 761,000,000 | $ 5,389,000,000 | $ 1,592,000,000 |