Employee Benefit Plans - Accumulated Benefit Obligation in Excess of Plan Assets (Details) - Pension Benefits - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| U.S. | ||
| Pension Plans With Accumulated Benefit Obligation in Excess of Plan Assets | ||
| Projected benefit obligations | $ 1,461 | $ 1,214 |
| Accumulated benefit obligations | 1,341 | 1,145 |
| Fair value of plan assets | 0 | 7 |
| Int’l. | ||
| Pension Plans With Accumulated Benefit Obligation in Excess of Plan Assets | ||
| Projected benefit obligations | 929 | 884 |
| Accumulated benefit obligations | 762 | 744 |
| Fair value of plan assets | $ 0 | $ 1 |