Supplemental Balance Sheet Information - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||
| Unpaid capital expenditures | $ 26 | $ 33 | $ 26 | $ 22 |