Equity Incentive Plans - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | $ 1,151 | $ 635 | $ 2,181 | $ 1,208 |
| Location, Statement of Income, Balance: us-gaap:CostOfRevenue | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | 258 | 213 | 485 | 422 |
| Location, Statement of Income, Balance: us-gaap:ResearchAndDevelopmentExpense | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | 487 | 298 | 908 | 575 |
| Location, Statement of Income, Balance: us-gaap:SellingGeneralAndAdministrativeExpense | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Total | $ 406 | $ 124 | $ 788 | $ 211 |