Reconciliation of Operating expenses and Total Debt - Summary of Reconciliation of Operating Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of operating segments [abstract] | |||||
| Production and manufacturing expenses | $ 5,476 | $ 5,745 | $ 4,909 | $ 11,221 | $ 10,459 |
| Selling, distribution and administrative expenses | 2,911 | 2,803 | 3,077 | 5,714 | 5,917 |
| Research and development | 277 | 167 | 278 | 444 | 464 |
| Operating expenses | $ 8,664 | $ 8,716 | $ 8,265 | $ 17,380 | $ 16,840 |