Supplemental Cash Flow Information - Summary of Reconciliation of Additions to Property, Plant and Equipment to Total Capital Expenditures (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Supplemental Cash Flow Elements [Abstract] | ||
| Additions to property, plant and equipment | $ 1,400 | $ 568 |
| Increase in capital accruals | 84 | 41 |
| Total capital expenditures | $ 1,484 | $ 609 |