Properties, Plants, and Equipment, net - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Property, Plant, and Equipment [Abstract] | |||
| Unpaid capital expenditures | $ 87 | $ 72 | $ 68 |