Supplemental Balance Sheet Information - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||
| Unpaid capital expenditures | $ 14 | $ 14 | $ 26 | $ 33 |