Summary of Significant Accounting Policies - Schedule of Accrued Warranty Activity (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Movement in Standard Product Warranty Accrual [Roll Forward] | |||
| Accrued warranty—beginning of period | $ 6,716 | $ 5,152 | $ 3,505 |
| Warranty costs incurred | (1,723) | (1,453) | (1,225) |
| Net changes in liability for pre-existing warranties, including expirations and foreign exchange impact | 1,127 | 287 | 539 |
| Provision for warranty | 2,487 | 2,730 | 2,333 |
| Accrued warranty—end of period | $ 8,607 | $ 6,716 | $ 5,152 |