Mineral Leaseholds, Net (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Summary of minerals leaseholds, net of accumulated depletion [Abstract] | |||||
| Mineral leaseholds | $ 1,295 | $ 1,295 | $ 1,292 | ||
| Less: accumulated depletion | (707) | (707) | (684) | ||
| Mineral leaseholds, net | 588 | 588 | $ 608 | ||
| Depletion expense related to mineral leaseholds | $ 6 | $ 8 | $ 22 | $ 25 | |