Postretirement Benefits - Summary Of Company Costs Related To U.S. And Non-U.S. Defined Contribution Plans (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Defined Contribution Plan | ||
| Costs related to defined contribution plans | $ 227 | $ 187 |
| U.S. Plans | ||
| Defined Contribution Plan | ||
| Costs related to defined contribution plans | 190 | 154 |
| Non-U.S. Plans | ||
| Defined Contribution Plan | ||
| Costs related to defined contribution plans | $ 37 | $ 33 |