Debt - Schedule of Debt (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure Of Debt [Line Items] | ||
| Current debt: | $ 9,128 | $ 11,630 |
| Short-term debt | 506 | 642 |
| Long-term debt due within 1 year | 8,622 | 10,988 |
| Non-current debt | 66,515 | 65,448 |
| Total | 75,643 | 77,078 |
| Debt (excluding lease liabilities) | ||
| Disclosure Of Debt [Line Items] | ||
| Current debt: | 4,517 | 6,920 |
| Short-term debt | 506 | 642 |
| Long-term debt due within 1 year | 4,011 | 6,278 |
| Non-current debt | 42,193 | 41,456 |
| Total | 46,710 | 48,376 |
| Lease liabilities | ||
| Disclosure Of Debt [Line Items] | ||
| Current debt: | 4,611 | 4,710 |
| Long-term debt due within 1 year | 4,611 | 4,710 |
| Non-current debt | 24,322 | 23,992 |
| Total | $ 28,933 | $ 28,702 |