Postretirement Benefits - Summary Of Company Costs Related To U.S. And Non-U.S. Defined Contribution Plans (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Defined Contribution Plan | ||||
| Costs related to defined contribution plans | $ 337 | $ 225 | $ 564 | $ 412 |
| U.S. Plans | ||||
| Defined Contribution Plan | ||||
| Costs related to defined contribution plans | 299 | 190 | 489 | 344 |
| Non-U.S. Plans | ||||
| Defined Contribution Plan | ||||
| Costs related to defined contribution plans | $ 38 | $ 35 | $ 75 | $ 68 |